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Document and Entity Information - shares	6 Months Ended
Document and Entity Information - shares	Jun. 30, 2013	Jul. 31, 2013
Document Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2
Entity Registrant Name	PRIMUS TELECOMMUNICATIONS GROUP INC
Entity Central Index Key	0001006837
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		14,002,243

Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income Statement [Abstract]
NET REVENUE
OPERATING EXPENSES
Cost of revenue (exclusive of depreciation included below)
Selling, general and administrative	9,720	8,233	14,165	15,023
Depreciation and amortization		2	1	2
(Gain) loss on sale or disposal of assets				43
Total operating expenses	9,720	8,235	14,166	15,068
INCOME (LOSS) FROM OPERATIONS	(9,720)	(8,235)	(14,166)	(15,068)
INTEREST EXPENSE
ACCRETION (AMORTIZATION) ON DEBT PREMIUM/DISCOUNT, net
GAIN (LOSS) FROM CONTINGENT VALUE RIGHTS VALUATION	14,792	2,039	14,904	(5,151)
INTEREST INCOME AND OTHER INCOME (EXPENSE), net		98	(1)	98
FOREIGN CURRENCY TRANSACTION GAIN (LOSS)	302	(1,469)	381	411
INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	5,374	(7,567)	1,118	(19,710)
INCOME TAX BENEFIT (EXPENSE)	(107)	(241)	(218)	(487)
INCOME (LOSS) FROM CONTINUING OPERATIONS	5,267	(7,808)	900	(20,197)
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, net of tax	(2,954)	(21,816)	(1,799)	(16,179)
Gain (loss) from sale of discontinued operations, net of tax	135,045	98,666	135,045	98,666
NET INCOME (LOSS)	137,358	69,042	134,146	62,290
Less: Net (income) loss attributable to the noncontrolling interest		(183)		(289)
NET INCOME (LOSS) ATTRIBUTABLE TO PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED	$ 137,358	$ 68,859	$ 134,146	$ 62,001
BASIC INCOME (LOSS) PER COMMON SHARE:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$ 0.38	$ (0.58)	$ 0.06	$ (1.49)
Income (loss) from discontinued operations	(0.21)	(1.58)	(0.13)	(1.17)
Gain (loss) from sale of discontinued operations	9.66	7.13	9.69	7.15
Net income (loss) attributable to Primus Telecommunications Group, Incorporated	9.83	4.97	9.62	4.49
DILUTED INCOME (LOSS) PER COMMON SHARE:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	0.36	(0.58)	0.06	(1.49)
Income (loss) from discontinued operations	(0.20)	(1.58)	(0.12)	(1.17)
Gain (loss) from sale of discontinued operations	9.35	7.13	9.37	7.15
Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$ 9.51	$ 4.97	$ 9.31	$ 4.49
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic	13,972	13,839	13,941	13,791
Diluted	14,436	13,839	14,404	13,791
DIVIDENDS DECLARED PER BASIC WEIGHTED AVERAGE COMMON SHARES OUTSTANDING		$ 1.02		$ 1.02
AMOUNTS ATTRIBUTABLE TO COMMON SHAREHOLDERS OF PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED
Income (loss) from continuing operations, net of tax	$ 5,267	$ (7,991)	$ 900	$ (20,486)
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, net of tax	(2,954)	(21,816)	(1,799)	(16,179)
Gain (loss) from sale of discontinued operations, net of tax	135,045	98,666	135,045	98,666
NET INCOME (LOSS) ATTRIBUTABLE TO PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED	$ 137,358	$ 68,859	$ 134,146	$ 62,001

Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 137,358	$ 69,042	$ 134,146	$ 62,290
OTHER COMPREHENSIVE INCOME (LOSS)
Foreign currency translation adjustment	(3,240)	(10,505)	(5,560)	(9,315)
COMPREHENSIVE INCOME (LOSS)	134,118	58,537	128,586	52,975
Less: Comprehensive (income) loss attributable to the noncontrolling interest		56		(246)
COMPREHENSIVE INCOME (LOSS) ATTRIBUTABLE TO PRIMUS TELECOMMUNICATIONS GROUP, INCORPORATED	$ 134,118	$ 58,593	$ 128,586	$ 52,729

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 171,178	$ 23,197
Accounts receivable (net of allowance for doubtful accounts receivable of $0 and $1,771 at June 30, 2013 and December 31, 2012, respectively)		17,871
Prepaid expenses and other current assets	20,490	5,792
Assets held for sale	205,776	40,066
Total current assets	397,444	86,926
RESTRICTED CASH		848
PROPERTY AND EQUIPMENT - Net	684	65,315
Goodwill		60,744
OTHER INTANGIBLE ASSETS - Net		63,024
OTHER ASSETS	1,459	24,333
TOTAL ASSETS	399,587	301,190
CURRENT LIABILITIES:
Accounts payable		12,218
Accrued interconnection costs		2,992
Deferred revenue		8,821
Accrued expenses and other current liabilities	1,491	20,565
Accrued income taxes	3,533	7,741
Accrued interest	2,619	1,716
Current portion of long-term obligations	126,252	66
Liabilities held for sale	67,559	24,304
Total current liabilities	201,454	78,423
LONG-TERM OBLIGATIONS		127,046
DEFERRED TAX LIABILITY		11,367
CONTINGENT VALUE RIGHTS		14,904
OTHER LIABILITIES	203	947
Total liabilities	201,657	232,687
COMMITMENTS AND CONTINGENCIES (See Note 5)
STOCKHOLDERS' EQUITY:
Preferred stock, $0.001 par value - 20,000,000 shares authorized; none issued and outstanding
Common stock, $0.001 par value - 80,000,000 shares authorized; 14,031,721 and 13,965,155 shares issued and 14,000,095 and 13,933,529 shares outstanding at June 30, 2013 and December 31, 2012, respectively	14	14
Additional paid-in capital	99,375	98,534
Retained earnings (accumulated deficit)	110,948	(23,198)
Treasury stock, at cost - 31,626 shares at June 30, 2013 and December 31, 2012, respectively	(378)	(378)
Accumulated other comprehensive loss	(12,029)	(6,469)
Total stockholders' equity	197,930	68,503
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 399,587	$ 301,190

Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Statement Of Financial Position [Abstract]
Accounts receivable, allowance for doubtful accounts receivable	$ 0	$ 1,771
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	20,000,000	20,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	80,000,000	80,000,000
Common stock, shares issued	14,031,721	13,965,155
Common stock, shares outstanding	14,000,095	13,933,529
Treasury stock, shares	31,626	31,626

Condensed Consolidated Statement of Stockholders' Equity - 6 months ended Jun. 30, 2013 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Treasury Stock [Member]	Retained Earnings (Accumulated Deficit) [Member]	Accumulated Other Comprehensive Income (Loss) [Member]
Beginning Balance at Dec. 31, 2012	$ 68,503	$ 14	$ 98,534	$ (378)	$ (23,198)	$ (6,469)
Beginning Balance, Shares at Dec. 31, 2012		13,934
Share-based compensation expense	1,479		1,479
Proceeds from sale of common stock, net	199		199
Proceeds from sale of common stock, net, Shares		102
Taxes paid in lieu of shares issued for share-based compensation	(837)		(837)
Taxes paid in lieu of shares issued for share-based compensation, Shares		(36)
Net income (loss)	134,146				134,146
Foreign currency translation adjustment	(5,560)					(5,560)
Ending Balance at Jun. 30, 2013	$ 197,930	$ 14	$ 99,375	$ (378)	$ 110,948	$ (12,029)
Ending Balance, Shares at Jun. 30, 2013		14,000

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 134,146	$ 62,290
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Provision for doubtful accounts receivable	1,325	2,503
Share-based compensation expense	1,479	4,057
Depreciation and amortization	11,947	27,645
(Gain) loss on sale or disposal of assets	(135,051)	(97,802)
Impairment of goodwill and long-lived assets		10,298
(Accretion) amortization of debt premium/discount, net	64	115
Change in fair value of Contingent Value Rights	(14,904)	5,151
Deferred income taxes	(156)	4,047
Unrealized foreign currency transaction (gain) loss on intercompany and foreign debt	(134)	(3,042)
Changes in assets and liabilities, net of acquisitions:
(Increase) decrease in accounts receivable	(4,700)	13,339
(Increase) decrease in prepaid expenses and other current assets	(154)	3,757
(Increase) decrease in other assets	2,195	2,977
Increase (decrease) in accounts payable	(968)	(10,539)
Increase (decrease) in accrued interconnection costs	(737)	(4,278)
Increase (decrease) in accrued expenses, deferred revenue, other current liabilities and other liabilities, net	(4,441)	(2,798)
Increase (decrease) in accrued income taxes	230	(991)
Increase (decrease) in accrued interest	908	(550)
Net cash provided by (used in) operating activities	(8,951)	16,179
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(9,955)	(18,727)
Sale of property and equipment and other assets	6
Cash from disposition of business, net of cash disposed	169,569	177,721
Cash acquired from business acquisitions, net of cash paid	(397)	(1,333)
(Increase) decrease in restricted cash	222	(85)
Net cash provided by investing activities	159,445	157,576
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on long-term obligations	(123)	(1,650)
Payment of fees on restructuring of debt		(1,977)
Proceeds from sale of common stock, net	199	53
Payment of dividend equivalents	(828)
Taxes paid in lieu of shares issued for share-based compensation	(837)	(1,454)
Net cash used in financing activities	(1,589)	(5,028)
EFFECTS OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(924)	(51)
NET CHANGE IN CASH AND CASH EQUIVALENTS	147,981	168,676
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	23,197	41,052
CASH AND CASH EQUIVALENTS, END OF PERIOD	171,178	209,728
SUPPLEMENTAL CASH FLOW INFORMATION:
Cash paid for interest	5,596	13,033
Cash paid for taxes	201	$ 2,306
Non-cash investing and financing activities:
Capital lease additions	$ 148

Basis of Presentation	6 Months Ended
Basis of Presentation	Jun. 30, 2013
Accounting Policies [Abstract]
Basis of Presentation	1. BASIS OF PRESENTATION The accompanying unaudited condensed consolidated financial statements of Primus Telecommunications Group, Incorporated (“PTGi” and, together with its subsidiaries, the “Company,” “we” and “our”) have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) for interim financial reporting and Securities and Exchange Commission (“SEC”) regulations. Certain information and footnote disclosures normally included in the financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such principles and regulations. In the opinion of management, the financial statements reflect all adjustments (all of which are of a normal and recurring nature), which are necessary to present fairly the financial position, results of operations, cash flows and comprehensive income (loss) for the interim periods. The results for the Company’s three and six months ended June 30, 2013 are not necessarily indicative of the results that may be expected for the year ending December 31, 2013. The results for all periods presented in this Quarterly Report on Form 10-Q reflect the activities of certain operations as discontinued operations (see Note 10—“Discontinued Operations”). The financial statements should be read in conjunction with the Company’s audited consolidated financial statements included in the Company’s most recently filed Annual Report on Form 10-K.

- Definition

The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure.

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+ Details

Summary of Significant Accounting Policies	6 Months Ended
Summary of Significant Accounting Policies	Jun. 30, 2013
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Discontinued Operations—In the second quarter of 2012, the Company sold its Australian segment and committed to dispose of and actively solicited a sale or other disposition of its International Carrier Services (“ICS”) business unit. In the second quarter of 2013, the Company sold its BLACKIRON Data segment and reiterated its commitment to dispose of its ICS business unit. In addition, in the second quarter of 2013, the Company entered into a definitive purchase agreement to sell its North America Telecom segment and sought shareholder approval of such transaction. Subsequent to June 30, 2013, on July 31, 2013, the Company completed the initial closing of the sale of its North America Telecom segment (see Note 10—“Discontinued Operations” and Note 13—“Subsequent Events”). In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013 (see Note 13—“Subsequent Events”), the Company issued notices of redemption for all outstanding debt. Because the debt is required to be repaid as a result of the sale of North America Telecom, the interest expense of Primus Telecommunications Holding, Inc. has been allocated to discontinued operations. The Company has applied retrospective adjustments for the three and six months ended June 30, 2012 to reflect the effects of the discontinued operations that occurred during 2013. Accordingly, revenue, costs and expenses of the discontinued operations have been excluded from the respective captions in the condensed consolidated statements of operations. Additionally, the assets and liabilities of ICS and North America Telecom have been classified as held for sale assets and liabilities as of June 30, 2013 and the assets and liabilities of ICS have been classified as held for sale assets and liabilities as of December 31, 2012. The held for sale assets and liabilities were removed from the specific line items on the condensed consolidated balance sheets as of June 30, 2013 and December 31, 2012. See Note 10—“Discontinued Operations,” for further information regarding these transactions. Principles of Consolidation—The condensed consolidated financial statements include the Company’s accounts, its wholly owned subsidiaries and all other subsidiaries over which the Company exerts control. Prior to July 31, 2012, the Company owned 45.6% of Globility Communications Corporation (“Globility”) through direct and indirect ownership structures. As a result of changes to the Telecommunications Act in Canada, the Company is no longer restricted by Canadian foreign ownership laws. Given these changes, Primus Telecommunications International, Inc. (“PTII”) purchased the remaining 54.4% of Globility on July 31, 2012. The stock of Globility was included in the sale of the North America Telecom segment. See Note 13—“Subsequent Events”. Prior to the purchase of the remaining 54.4%, the results of Globility and its subsidiary are consolidated with the Company’s results based on guidance from the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) No. 810, “Consolidation” (“ASC 810”). All intercompany profits, transactions and balances have been eliminated in consolidation. Property and Equipment—Property and equipment are recorded at cost less accumulated depreciation, which is provided on the straight-line method over the estimated useful lives of the assets. Cost includes major expenditures for improvements and replacements which extend useful lives or increase capacity of the assets as well as expenditures necessary to place assets into readiness for use. Expenditures for maintenance and repairs are expensed as incurred. The estimated useful lives of property and equipment are as follows: network equipment—5 to 8 years, fiber optic and submarine cable—8 to 25 years, furniture and equipment—5 years, and leasehold improvements and leased equipment—shorter of lease or useful life. Costs for internal use software that are incurred in the preliminary project stage and in the post-implementation stage are expensed as incurred. Costs incurred during the application development stage are capitalized and amortized over the estimated useful life of the software. Goodwill and Other Intangible Assets—Under ASC No. 350, “Intangibles—Goodwill and Other” (“ASC 350”), goodwill and indefinite lived intangible assets are not amortized but are reviewed annually for impairment, or more frequently, if impairment indicators arise. Intangible assets that have finite lives are amortized over their estimated useful lives and are subject to the provisions of ASC No. 360, “Property, Plant and Equipment” (“ASC 360”). Goodwill impairment is tested at least annually (October 1^st) or when factors indicate potential impairment using a two-step process that begins with an estimation of the fair value of each reporting unit. Step 1 is a screen for potential impairment pursuant to which the estimated fair value of each reporting unit is compared to its carrying value. The Company estimates the fair values of each reporting unit by a combination of (i) estimation of the discounted cash flows of each of the reporting units based on projected earnings in the future (the income approach) and (ii) a comparative analysis of revenue and EBITDA multiples of public companies in similar markets (the market approach). If there is a deficiency (the estimated fair value of a reporting unit is less than its carrying value), a Step 2 test is required. Step 2 measures the amount of impairment loss, if any, by comparing the implied fair value of the reporting unit’s goodwill with its carrying amount. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination is determined; i.e., through an allocation of the fair value of a reporting unit to all of the assets and liabilities of that unit as if the reporting unit had been acquired in a business combination. If the carrying amount of the reporting unit goodwill exceeds the implied fair value of that goodwill, an impairment loss shall be recognized in an amount equal to that excess. The Company also may utilize the provisions of Accounting Standards Update (“ASU”) No. 2011-08, “Testing Goodwill for Impairment” (“ASU 2011-08”), which allows the Company to use qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The Company’s reporting units in 2011 were Australia, Canada and US/ICS. In May 2012, the Australian reporting unit was sold, and the reporting units were Canada and US/ICS. Subsequent to classifying ICS as a discontinued operation in the second quarter of 2012, the remaining reporting units are Canada and US. Estimating the fair value of a reporting unit requires various assumptions including projections of future cash flows, perpetual growth rates and discount rates. The assumptions about future cash flows and growth rates are based on the Company’s assessment of a number of factors, including the reporting unit’s recent performance against budget, performance in the market that the reporting unit serves, and industry and general economic data from third party sources. Discount rate assumptions are based on an assessment of the risk inherent in those future cash flows. Changes to the underlying businesses could affect the future cash flows, which in turn could affect the fair value of the reporting unit. Intangible assets not subject to amortization consist of certain trade names. Such indefinite lived intangible assets are tested for impairment annually, or more frequently if events or changes in circumstances indicate that the asset might be impaired. The impairment test shall consist of a comparison of the fair value of an intangible asset with its carrying amount. If the carrying amount of the intangible asset exceeds its fair value, an impairment loss shall be recognized in an amount equal to the excess. Intangible assets subject to amortization consist of certain trade names and customer relationships. These finite lived intangible assets are amortized based on their estimated useful lives. Such assets are subject to the impairment provisions of ASC 360, wherein impairment is recognized and measured only if there are events and circumstances that indicate that the carrying amount may not be recoverable. The carrying amount is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use of the asset group. An impairment loss is recorded if after determining that it is not recoverable, the carrying amount exceeds the fair value of the asset. In addition to the foregoing, the Company reviews its goodwill and intangible assets for possible impairment whenever events or circumstances indicate that the carrying amounts of assets may not be recoverable. The factors that the Company considers important, and which could trigger an impairment review, include, but are not limited to: a more than likely than not expectation of selling or disposing all, or a portion, of a reporting unit; a significant decline in the market value of our common stock or debt securities for a sustained period; a material adverse change in economic, financial market, industry or sector trends; a material failure to achieve operating results relative to historical levels or projected future levels; and significant changes in operations or business strategy. The current carrying values by reporting unit of the goodwill and other indefinite-lived intangible assets are disclosed in Note 3—“Goodwill and Other Intangible Assets.” Valuation of Long-lived Assets (Held for Sale)—In conjunction with the Company’s commitment to dispose of its ICS business, and the entry into definitive agreements with respect to the sale of North America Telecom, which was substantially completed on July 31, 2013, at June 30, 2013, the Company classified the net assets of ICS and North America Telecom as held for sale and is required to measure them at the lower of carrying value or fair value less costs to sell. The Company makes significant assumptions and estimates in the process of determining fair value regarding matters that are inherently uncertain, such as estimating future cash flows, discount rates and growth rates. The resulting cash flows are projected over an extended period of time, which subjects those assumptions and estimates to an even larger degree of uncertainty. While the Company believes that its estimates are reasonable, different assumptions could materially affect the valuation of the net assets of ICS. The current year analysis of carrying value and fair value less costs to sell is disclosed in Note 10—“Discontinued Operations.” Derivative Instruments— Pursuant to the terms of the Company’s 2009 bankruptcy reorganization (the “Reorganization Plan”), the Company issued to holders of the Company’s pre-Reorganization Plan common stock contingent value rights (“CVRs”) to receive shares of Company common stock (subject to adjustment, the “CVR Shares”) in an original aggregate amount of up to 2,665,000 shares. In connection with the issuance of the CVRs, the Company entered into a Contingent Value Rights Distribution Agreement (the “CVR Agreement”), in favor of holders of CVRs thereunder, dated as of July 1, 2009. As a result of the special cash Dividends discussed in Note 7—“Stockholders’ Equity,” antidilution provisions in the CVR Agreement were triggered and the maximum aggregate number of CVR Shares issuable with respect to the CVRs was adjusted upward from 2,665,000 shares to 3,657,157 shares while the strike price with respect to the CVRs was adjusted downward from $35.95 to $26.20. Due to the nature of the CVRs, the Company accounted for the instrument in accordance with ASC No. 815, “Derivatives and Hedging” (“ASC 815”), as well as related interpretations of this standard. The Company determined the CVRs to be derivative instruments to be accounted for as liabilities and marked to fair value at each balance sheet date. Upon issuance, the Company estimated the fair value of its CVRs using a pricing model and consequently recorded a liability of $2.6 million in the balance sheet caption “other liabilities” as part of fresh-start accounting. Post-issuance change in value is reflected in the consolidated statements of operations as gain (loss) from contingent value rights valuation. The Company’s estimates of fair value of its CVRs are correlated to and reflective of PTGi’s common stock price trends; in general, as the value of PTGi’s common stock increases, the estimated fair value of the CVRs also increases and, as a result, the Company recognizes a change in value of its CVRs as loss from contingent value rights valuation. Conversely and also in general, as the value of PTGi’s common stock decreases, the estimated fair value of the CVRs also decreases and as a result the Company recognizes a change in value of the CVRs as gain from contingent value rights valuation. See Note 9—“Fair Value of Financial Instruments and Derivatives.” The initial closing of the sale of North America Telecom (See Note 13—“Subsequent Events”) constituted a change of control under the CVR Agreement. Pursuant to the terms of the CVR Agreement, the Company performed a valuation of the Company’s equity value as of July 1, 2013, the first valuation date required by the CVR Agreement, and as of July 30, 2013, the business day immediately preceding the initial closing date of the sale, as a result of which no CVR Shares were distributed to holders of the CVRs. The CVR Agreement terminated in accordance with its terms upon the closing of the North America Telecom sale. Use of Estimates—The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of net revenue and expenses during the reporting period. Actual results may differ from these estimates. Significant estimates include allowance for doubtful accounts receivable, accrued interconnection cost disputes, the fair value of derivatives, market assumptions used in estimating the fair values of certain assets and liabilities, the calculation used in determining the fair value of PTGi’s stock options required by ASC No. 718, “Compensation—Stock Compensation” (“ASC 718”), income taxes and various tax contingencies. Estimates of fair value represent the Company’s best estimates developed with the assistance of independent appraisals or various valuation techniques and, where the foregoing have not yet been completed or are not available, industry data and trends and by reference to relevant market rates and transactions. The estimates and assumptions are inherently subject to significant uncertainties and contingencies beyond the control of the Company. Accordingly, the Company cannot provide assurance that the estimates, assumptions, and values reflected in the valuations will be realized, and actual results could vary materially. Any adjustments to the recorded fair values of these assets and liabilities, as related to business combinations and subsequent impairment assessment of goodwill, may impact the amount of recorded goodwill. Reclassification—Certain previous year amounts have been reclassified to conform with current year presentations, as related to the reporting of the Company’s discontinued operations. Newly Adopted Accounting Principles In February 2013, an update was issued to the Comprehensive Income Topic No. 220, ASU 2013-02, “Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income,” which requires entities to disclose additional information about items reclassified out of accumulated other comprehensive income (“AOCI”). ASU 2013-02 does not change the current U.S. GAAP requirements, for either public or nonpublic entities, for interim financial statement reporting of comprehensive income. That is, a total for comprehensive income must be reported in condensed interim financial statements in either (1) a single continuous statement or (2) two separate but consecutive statements. Entities should disclose the changes in AOCI balances by component. Both before-tax and net-of-tax presentations of the information are acceptable as long as an entity presents the income tax benefit or expense attributed to each component of other comprehensive income and reclassification adjustments in either the financial statements or the notes to the financial statements. Entities should also disclose significant items reclassified out of AOCI by component either on the face of the income statement or as a separate footnote to the financial statements. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. In January 2013, an update was issued to the Balance Sheet Topic ASC No. 210 to clarify the scope of the offsetting disclosure requirements of ASU 2011-11, “Disclosures about Offsetting Assets and Liabilities.” Under ASU 2013-01, “Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities,” the disclosure requirements would apply to derivative instruments accounted for in accordance with ASC 815, including bifurcated embedded derivatives, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending arrangements that are either offset on the balance sheet or subject to an enforceable master netting arrangement or similar agreement. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. Retrospective application is required for all comparative periods presented. In July 2012, an update was issued to the Intangibles—Goodwill and Other Topic ASC No. 350, ASU 2012-02, “Testing Indefinite-Lived Intangible Assets for Impairment,” which provides guidance to all entities, both public and nonpublic, that have indefinite-lived intangible assets, other than goodwill, reported in their financial statements. Under the amendments in this update, an entity has the option first to assess qualitative factors to determine whether the existence of events and circumstances indicates that it is more likely than not that the indefinite-lived intangible asset is impaired. If, after assessing the totality of events and circumstances, an entity concludes that it is not more likely than not that the indefinite-lived intangible asset is impaired, then the entity is not required to take further action. However, if an entity concludes otherwise, then it is required to determine the fair value of the indefinite-lived intangible asset and perform the quantitative impairment test by comparing the fair value with the carrying amount. An entity has the option to bypass the qualitative assessment for any indefinite-lived intangible asset in any period and proceed directly to performing the quantitative impairment test. An entity will be able to resume performing the qualitative assessment in any subsequent period. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. In December 2011, an update was issued to the Balance Sheet Topic ASC No. 210, ASU 2011-11, “Disclosures about Offsetting Assets and Liabilities,” which contains new disclosure requirements regarding the nature of an entity’s right of setoff and related arrangements associated with its financial instruments and derivative instruments. The new disclosures are designed to make financial statements that are prepared under U.S. GAAP more comparable to those prepared under International Financial Reporting Standards (“IFRSs”). Generally, it is more difficult to qualify for offsetting under IFRSs than it is under U.S. GAAP because under U.S. GAAP certain derivative and repurchase agreement arrangements are granted exceptions from the general offsetting model. As a result, entities with significant financial instrument and derivative portfolios that report under IFRSs typically present positions on their balance sheets that are significantly larger than those of entities with similarly sized portfolios whose financial statements are prepared in accordance with U.S. GAAP. To facilitate comparison between financial statements prepared under U.S. GAAP and IFRSs, the new disclosures will give financial statement users information about both gross and net exposures. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. New Accounting Pronouncements In March 2013, an update was issued to the Foreign Currency Matters Topic No. 830, ASU 2013-05, “Parent’s Accounting for the Cumulative Translation Adjustment upon Derecognition of Certain Subsidiaries or Groups of Assets within a Foreign Entity or of an Investment in a Foreign Entity,” which indicates that the entire amount of a cumulative translation adjustment related to an entity’s investment in a foreign entity should be released when there has been a (1) sale of a subsidiary or group of net assets within a foreign entity and the sale represents the substantially complete liquidation of the investment in the foreign entity; (2) loss of a controlling financial interest in an investment in a foreign entity; or (3) step acquisition for a foreign entity. Early adoption is permitted and this accounting update should be applied prospectively from the beginning of the fiscal year of adoption. The Company’s effective date for adoption is January 1, 2014. The Company does not foresee this accounting update having a material effect on its condensed consolidated financial statements in future periods, although that could change.

Goodwill and Other Intangible Assets

6 Months Ended

Jun. 30, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

3. GOODWILL AND OTHER INTANGIBLE ASSETS

The Company’s intangible assets not subject to amortization consisted of the following (in thousands):


	June 30, 2013 (1)		December 31, 2012 (2)
Goodwill	$	—	$	60,744
Trade names	$	—	$	27,000

(1)	The table above does not reflect the portion of goodwill of $42.9 million and trade names of $27.0 million, as such non-amortizable intangible assets have been included in long-lived assets within assets held for sale as of June 30, 2013.

(2)	The table above does not reflect the portion of goodwill of $3.4 million, as such non-amortizable intangible asset has been included in long-lived assets within assets held for sale as of December 31, 2012.

Goodwill

The sale of BLACKIRON Data and the announcement of the sale of North America Telecom during the second quarter of 2013 were considered triggering events under ASC 350 and the Company tested the goodwill of the Canada and US reporting units for impairment. The proceeds from each of the transactions were used as a measurement of fair value. Based on the carrying values of the Canada and US reporting units, the Company determined that goodwill was not impaired as of June 30, 2013.

The changes in the carrying amount of goodwill by reporting unit for the six months ended June 30, 2013 are as follows (in thousands):


	United States			Canada			Total
Balance as of December 31, 2012	$	26,582		$	34,162		$	60,744
Effect of change in foreign currency exchange rates		—			(1,001	)		(1,001	)
Disposition of business		—			(20,221	)		(20,221	)
Allocation to disposal group		(26,582	)		(12,940	)		(39,522	)

Balance as of June 30, 2013	$	—		$	—		$	—

As discussed in Note 10—“Discontinued Operations,” the Company sold its BLACKIRON Data segment during the second quarter of 2013. BLACKIRON Data was part of the Canada reporting unit, and therefore an allocation of the goodwill of the Canada reporting unit was made to the disposed entity. Prior to its disposal, the Company allocated, based on relative fair value to the Canada reporting unit in total, $20.2 million of goodwill to BLACKIRON Data.

Trade Names

There was no change in the carrying amount of trade names by reporting unit for the six months ended June 30, 2013. The trade names are included in long-lived assets within assets held for sale as of June 30, 2013.

Amortizable Intangible Assets

Intangible assets subject to amortization consisted of the following (in thousands):


	June 30, 2013 (1)						December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Trade names	$	—	$	—	$	—	$	3,500	$	(1,140	)	$	2,360
Customer relationships		—		—		—		94,142		(60,478	)		33,664

Total	$	—	$	—	$	—	$	97,642	$	(61,618	)	$	36,024

(1)	The table above does not reflect the portion of the net book values of trade names of $2.2 million and customer relationships of $24.2 million, as such amortizable intangible assets have been included in long-lived assets within assets held for sale as of June 30, 2013.

- Definition

The entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.

+ References + Details

Long-Term Obligations

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Long-Term Obligations

4. LONG-TERM OBLIGATIONS

Long-term obligations consisted of the following (in thousands):


	June 30, 2013			December 31, 2012
Obligations under capital leases and other	$	—		$	101
13% Senior Secured Notes due 2016		1,571			2,403
10% Senior Secured Notes due 2017		12,692			12,692
10% Senior Secured Exchange Notes due 2017		112,587			112,587

Subtotal	$	126,850		$	127,783
Original issue discount on Senior Secured Notes		(598	)		(671	)

Subtotal	$	126,252		$	127,112
Less: Current portion of long-term obligations		(126,252	)		(66	)

Total long-term obligations	$	—		$	127,046

The following table reflects the contractual payments of principal and interest for the Company’s long-term obligations as of June 30, 2013:


Year Ending December 31,	Capital Leases and Other		13% Senior Secured Notes due 2016			10% Senior Secured Notes due 2017			10% Senior Secured Exchange Notes due 2017			Total
2013 (as of June 30, 2013)	$	—	$	1,614		$	13,168		$	116,809		$	131,591
2014		—		—			—			—			—
2015		—		—			—			—			—
2016		—		—			—			—			—
2017		—		—			—			—			—
Thereafter		—		—			—			—			—

Total minimum principal & interest payments		—		1,614			13,168			116,809			131,591
Less: Amount representing interest		—		(43	)		(476	)		(4,222	)		(4,741	)

Total long-term obligations	$	—	$	1,571		$	12,692		$	112,587		$	126,850

The table above does not reflect the portion of the aggregate outstanding principal amount of 13% Notes issued by PTCI, amounting to $0.8 million, as such indebtedness has been classified as a liability held for sale as of June 30, 2013. See “—13% Senior Secured Notes due 2016” below.

As discussed below under “—13% Senior Secured Notes due 2016” and “—10% Senior Secured Notes due 2017 and 10% Senior Secured Exchange Notes due 2017,” in conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013 (see Note 13—“Subsequent Events”), the issuers of the Company’s 13% Notes, 10% Notes and 10% Exchange Notes issued notices of redemption for all outstanding 13% Notes, 10% Notes and 10% Exchange Notes, in each case with a redemption date of August 30, 2013, and irrevocably deposited with the trustees for the 13% Notes, 10% Notes and 10% Exchange Notes amounts sufficient to redeem in full all outstanding principal amounts of the 13% Notes, 10% Notes and 10% Exchange Notes, thereby satisfying and discharging all of the Company’s obligations under the indentures governing such notes (subject to certain exceptions).

13% Senior Secured Notes due 2016

As of June 30, 2013, there was outstanding $2.4 million in aggregate principal amount of the 13% Senior Secured Notes due 2016 (the “13% Notes”) issued by Primus Telecommunications Holding, Inc. (“PTHI”) and Primus Telecommunications Canada Inc. (“PTCI”), each of which is a wholly owned subsidiary of PTGi. Each $1,000 in principal amount of the 13% Notes (being a Unit) consists of $653.85 in principal amount of 13% Notes issued by PTHI and $346.15 in principal amount of 13% Notes issued by PTCI. The portion of the aggregate outstanding principal amount of 13% Notes issued by PTCI has been classified as a liability held for sale as of June 30, 2013 in the unaudited condensed consolidated balance sheets included herein and elsewhere in this Quarterly Report on Form 10-Q. The 13% Notes bear interest at a rate of 13.00% per annum, payable semi-annually in arrears in cash on June 15 and December 15 of each year. The 13% Notes will mature on December 16, 2016. In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013 (see Note 13—“Subsequent Events”), PTHI and PTCI issued a notice of redemption for all outstanding 13% Notes with a redemption date of August 30, 2013 and irrevocably deposited $2.7 million in cash with the trustee for the 13% Notes, representing the principal amount of the 13% Notes to be redeemed, the applicable redemption premium with respect to such 13% Notes and accrued but unpaid interest on such 13% Notes to the redemption date. PTHI and PTCI thereby satisfied and discharged the indenture governing the 13% Notes (the “13% Notes Indenture”), as a result of which all of the obligations of PTHI and PTCI, as the issuers of the 13% Notes, and the guarantors of the 13% Notes (including PTGi) under the 13% Notes Indenture ceased to be of further effect (subject to certain exceptions). Liens on collateral securing the 13% Notes had previously been released in connection with the amendment of the 13% Notes Indenture that became effective on July 7, 2011.

10% Senior Secured Notes due 2017 and 10% Senior Secured Exchange Notes due 2017

Exchange Offers and Consent Solicitation; Issuance of the 10% Notes

On July 7, 2011, in connection with the consummation of the private (i) exchange offers (the “Exchange Offers”) for any and all outstanding Units representing the 13% Notes issued by PTHI and PTCI and the 14¹/₄% Senior Subordinated Secured Notes due 2013 (the “14¹/₄% Notes”) issued by Primus Telecommunications IHC, Inc., (ii) consent solicitation (the “Consent Solicitation”) to amend the indenture governing the 13% Notes and release the collateral securing the 13% Notes, and (iii) related transactions, PTHI issued $240.2 million in aggregate principal amount of the 10% Senior Secured Notes due 2017 (the “10% Notes”) under that certain indenture, dated as of July 7, 2011 (as amended or supplemented from time to time, the “10% Notes Indenture”), by and among PTHI, each of the Guarantors party thereto and U.S. Bank National Association, as Trustee and Collateral Trustee. An aggregate of $228.6 million in principal amount of 10% Notes was issued pursuant to the Exchange Offers, and PTHI issued an additional $11.6 million in aggregate principal amount of 10% Notes for cash, the proceeds of which were used to redeem all 14¹/₄% Notes that were not exchanged pursuant to the Exchange Offers and thereby discharge all of our obligations with respect to the 14¹/₄% Notes. In connection with the Exchange Offers, the Company also incurred $6.9 million of third party costs which are included in gain (loss) on early extinguishment or restructuring of debt on the condensed consolidated statements of operations in the third quarter of 2011.

The 10% Notes bear interest at a rate of 10.00% per annum, payable semi-annually in arrears in cash on April 15 and October 15 of each year. The 10% Notes will mature on April 15, 2017.

The 10% Notes and related guarantees are secured by a pledge of and first lien security interest in (subject to certain exceptions) substantially all of the assets of PTHI and the guarantors of the 10% Notes, including PTGi (the “Guarantors”), including a first-priority pledge of all of the capital stock held by PTHI, the Guarantors and each subsidiary of PTGi that is a foreign subsidiary holding company (which pledge, in the case of the capital stock of each non-U.S. subsidiary and each subsidiary of PTGi that is a foreign subsidiary holding company, is limited to 65% of the capital stock of such subsidiary).

The 10% Notes rank senior in right of payment to existing and future subordinated indebtedness of PTHI and the Guarantors. The 10% Notes rank equal in right of payment with all existing and future senior indebtedness of PTHI and the Guarantors. The 10% Notes rank junior to any priority lien obligations entered into by PTHI or the Guarantors in accordance with the 10% Notes Indenture.

On or after March 15, 2013, PTHI may redeem some or all of the 10% Notes at a premium that will decrease over time as set forth in the 10% Notes Indenture, plus accrued and unpaid interest.

Upon the occurrence of certain Changes of Control (as defined in the 10% Notes Indenture) with respect to the Company, PTHI must give holders of the 10% Notes an opportunity to sell their 10% Notes to PTHI at a purchase price of 100% of the principal amount of such 10% Notes, plus accrued and unpaid interest, if any, to the date of purchase. If PTGi or any of its restricted subsidiaries consummates certain Asset Sales (as defined in the 10% Notes Indenture) and does not choose to use all of the net proceeds of such Asset Sale for specified purposes, PTHI may be required to use the remaining net proceeds from such Asset Sale (which are defined as “Excess Proceeds” under the 10% Notes Indenture) to offer to repurchase the 10% Notes using such Excess Proceeds at a purchase price of 100% of their principal amount, plus accrued and unpaid interest.

The 10% Notes Indenture contains covenants that, subject to certain exceptions, limit the ability of each of PTGi and its restricted subsidiaries to, among other things: (i) incur additional indebtedness; (ii) pay dividends on, repurchase or make distributions in respect of PTGi’s capital stock or make other restricted payments; (iii) make certain investments; (iv) sell, transfer or otherwise convey certain assets; (v) create certain liens; (vi) designate future subsidiaries as unrestricted subsidiaries; (vii) consolidate, merge, sell or otherwise dispose of all or substantially all of its assets; and (viii) enter into certain transactions with affiliates. The 10% Notes Indenture contains other customary terms, including, but not limited to, events of default, which, if any of them occurs, would permit or require the principal, premium, if any, and interest, if any, on all of the then outstanding 10% Notes to be due and payable immediately.

Repurchases of 10% Notes

On September 17, 2012, PTHI consummated the repurchase of $119.0 million in aggregate principal amount of its 10% Notes for a purchase price equal to 109% of the principal amount thereof, plus accrued but unpaid interest to the date of repurchase, in each case pursuant to agreements with certain selling holders of 10% Notes. In connection with this repurchase, the sellers of the 10% Notes, representing a majority in principal amount of the outstanding 10% Notes, consented to amendments of the 10% Notes Indenture to remove substantially all of the restrictive and reporting covenants under the 10% Notes Indenture, as well as certain events of default and related provisions. PTHI, the Guarantors and U.S. Bank National Association, as Trustee, entered into a Supplemental Indenture, dated as of September 17, 2012 (the “First Supplemental Indenture”), to memorialize such 10% Notes Indenture amendments.

In connection with the September 2012 10% Notes repurchase, the Company incurred $10.9 million of premiums and other costs and wrote off $9.5 million of deferred financing costs and $0.7 million of original issue discount, all of which were included in gain (loss) on early extinguishment or restructuring of debt on the condensed consolidated statements of operations in the third quarter of 2012.

Prior to the September 2012 10% Notes repurchase, the Company repurchased $5.0 million in aggregate principal amount of the 10% Notes at 99% of face value in December 2011.

2012 Note Exchanges for Newly Issued 10% Exchange Notes

On November 14, 2012, PTHI consummated the exchange (the “Note Exchange”) of $79.7 million in aggregate principal amount of its 10% Notes for $86.9 million in aggregate principal amount of its 10% Senior Secured Exchange Notes due 2017 (the “10% Exchange Notes”), which were newly issued pursuant to the Second Supplemental Indenture (as defined below) to the 10% Notes Indenture. PTHI also paid accrued but unpaid interest on the exchanged 10% Notes for the period from October 15, 2012 to, but not including, November 14, 2012. The 10% Exchange Notes accrue interest from November 14, 2012 and are guaranteed by the same entities, including PTGi, that guarantee the 10% Notes. The terms of the 10% Exchange Notes are substantially similar to those governing the 10% Notes, which are described in greater detail above under “—Exchange Offers and Consent Solicitation; Issuance of the 10% Notes,” except that the applicable redemption price of the 10% Exchange Notes at any time such notes are redeemed is 100.00% of the principal amount of such 10% Exchange Notes redeemed, plus accrued and unpaid interest.

In connection with the Note Exchange, the participating noteholders consented to amendments to the 10% Notes Indenture contained in, and PTGi and the other Guarantors agreed to enter into, that certain Second Supplemental Indenture and First Amendment to Collateral Agreement, dated as of November 14, 2012 (the “Second Supplemental Indenture”), by and among PTHI, the Guarantors and U.S. Bank National Association, as Trustee and Collateral Trustee. Among other things, the Second Supplemental Indenture (i) reinstated substantially all of the events of default, restrictive and reporting covenants and related provisions and definitions of the 10% Notes Indenture that were eliminated by the First Supplemental Indenture, with certain amendments thereto to establish a new $50,000,000 restricted payment basket and to permit the incurrence of certain additional parity lien debt, (ii) established the 10% Exchange Notes issuable under the 10% Notes Indenture, (iii) authorized the Note Exchange and (iv) made certain other changes in the 10% Notes Indenture that are of a technical or conforming nature, including the amendment and restatement of certain provisions, the addition of certain definitions and the amendment of certain cross-references.

On December 19, 2012, PTHI consummated a second note exchange of $23.8 million in aggregate principal amount of its 10% Notes for $25.7 million in aggregate principal amount of its 10% Exchange Notes. PTHI also paid accrued but unpaid interest on the exchanged 10% Notes for the period from October 15, 2012 to, but not including, November 14, 2012.

The Company evaluated the application of ASC No. 470-50, “Debt—Modifications and Extinguishments” (“ASC 470-50”), and concluded that the November and December 2012 note exchanges described above constituted a debt modification with respect to the 10% Notes. Under ASC 470-50, the premium of $9.1 million paid to the exchanging holders of 10% Notes, was capitalized and will be amortized over the life of the 10% Exchange Notes. It is included in other assets in the condensed consolidated balance sheets.

Outstanding 10% Notes and 10% Exchange Notes

As of June 30, 2013, there was (i) $12.7 million in aggregate principal amount of the 10% Notes outstanding and (ii) $112.6 million in aggregate principal amount of the 10% Exchange Notes outstanding. In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013 (see Note 13—“Subsequent Events”), PTHI issued a notice of redemption for all outstanding 10% Notes and 10% Exchange Notes with a redemption date of August 30, 2013 and irrevocably deposited $130.8 million in cash with the trustee for the 10% Notes and 10% Exchange Notes, representing the principal amount of the 10% Notes and 10% Exchange Notes to be redeemed, the applicable redemption premium with respect to the 10% Notes to be redeemed and accrued but unpaid interest on such 10% Notes and 10% Exchange Notes to the redemption date. PTHI thereby satisfied and discharged the 10% Notes Indenture, as a result of which all of the obligations of PTHI, as the issuer of the 10% Notes and 10% Exchange Notes, and the guarantors of the 10% Notes and 10% Exchange Notes (including PTGi) under the 10% Notes Indenture ceased to be of further effect (subject to certain exceptions) and the liens on collateral of PTHI and the guarantors of the 10% Notes and 10% Exchange Notes securing such notes were released.

Commitments and Contingencies

6 Months Ended

Jun. 30, 2013

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

5. COMMITMENTS AND CONTINGENCIES

Future minimum lease payments under purchase obligations and non-cancellable operating leases, including continuing obligations of discontinued operations, as of June 30, 2013 are as follows (in thousands):


Year Ending December 31,	Purchase Obligations		Operating Leases
2013 (as of June 30, 2013)	$	2,511	$	4,160
2014		4,217		6,636
2015		403		5,017
2016		362		4,130
2017		362		3,653
Thereafter		906		7,000

Total long-term obligations	$	8,761	$	30,596

The Company has contractual obligations to utilize an external vendor for certain customer support functions and to utilize network facilities from certain carriers with terms greater than one year. Generally, the Company does not purchase or commit to purchase quantities in excess of normal usage or amounts that cannot be used within the contract term or at rates below or above market value. The Company made payments under purchase commitments of $2.5 million and $4.7 million for the six months ended June 30, 2013 and 2012, respectively.

Litigation

The Company is subject to claims and legal proceedings that arise in the ordinary course of business. Each of these matters is inherently uncertain, and there can be no guarantee that the outcome of any such matter will be decided favorably to the Company or that the resolution of any such matter will not have a material adverse effect upon the Company’s business, condensed consolidated financial position, results of operations or cash flow. The Company does not believe that any of these pending claims and legal proceedings will have a material adverse effect on its business, condensed consolidated financial position, results of operations or cash flow.

Share-Based Compensation

6 Months Ended

Jun. 30, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Share-Based Compensation

6. SHARE-BASED COMPENSATION

The Compensation Committee (the “Committee”) of the Board of Directors of PTGi administers PTGi’s Management Compensation Plan, as amended (the “Management Compensation Plan”). The Committee has broad authority to administer, construe and interpret the Management Compensation Plan; however, except in connection with certain Corporate Transactions (as defined in the Management Compensation Plan), it may not take any action with respect to an award that would be treated, for accounting purposes, as a “repricing” of an award unless the action is approved by the shareholders of PTGi.

The Management Compensation Plan provides for the grant of incentive stock options, nonqualified stock options, restricted stock, restricted stock units, and other stock-based or cash-based performance awards (collectively, “awards”). PTGi typically issues new shares of common stock upon the exercise of stock options, as opposed to using treasury shares.

The Company follows guidance which addresses the accounting for share-based payment transactions whereby an entity receives employee services in exchange for either equity instruments of the enterprise or liabilities that are based on the fair value of the enterprise’s equity instruments or that may be settled by the issuance of such equity instruments. The guidance generally requires that such transactions be accounted for using a fair-value based method and share-based compensation expense be recorded, based on the grant date fair value, estimated in accordance with the guidance, for all new and unvested stock awards that are ultimately expected to vest as the requisite service is rendered.

There were 40,000 options granted during each of the six months ended June 30, 2013 and 2012.

Total share-based compensation expense recognized by the Company in the three months ended June 30, 2013 and 2012 was $1.0 million and $2.4 million, respectively, compared to $1.5 million and $4.1 million, respectively, for the six months ended June 30, 2013 and 2012. Most of PTGi’s stock awards vest ratably during the vesting period. The Company recognizes compensation expense for equity awards, reduced by estimated forfeitures, using the straight-line basis.

Restricted Stock Units (RSUs)

A summary of PTGi’s RSU activity during the six months ended June 30, 2013 is as follows:


	Shares			Weighted Average Grant Date Fair Value
Unvested—December 31, 2012		286,208		$	12.91
Granted		20,000		$	11.89
Vested		(190,247	)	$	11.91
Forfeitures		(82	)	$	15.60

Unvested—June 30, 2013		115,879		$	14.39

As of June 30, 2013, PTGi had 0.1 million unvested RSUs outstanding with respect to $0.8 million of compensation expense that is expected to be recognized over the weighted average remaining vesting period of 1.1 years. The number of unvested RSUs expected to vest is 0.1 million.

On April 17, 2013 and April 26, 2013, the Board of Directors of the Company accelerated the vesting of 8,606 and 41,586 RSUs, respectively, awarded to certain employees as part of severance agreements.

Stock Options and Stock Appreciation Rights

A summary of PTGi’s stock option and stock appreciation rights activity during the six months ended June 30, 2013 is as follows:


	Shares			Weighted Average Exercise Price
Outstanding—December 31, 2012		212,244		$	9.24
Granted		40,000		$	11.89
Exercised		(10,344	)	$	8.91
Forfeitures		(1,982	)	$	8.91

Outstanding—June 30, 2013		239,918		$	9.70

Eligible for exercise		177,031		$	9.20

The following table summarizes the intrinsic values and remaining contractual terms of PTGi’s stock options and stock appreciation rights:


	Intrinsic Value		Weighted Average Remaining Life in Years
Options outstanding—June 30, 2013	$	571,690		7.6
Options exercisable—June 30, 2013	$	510,522		7.1

During the six months ended June 30, 2013, 10,000 options were exercised with an intrinsic value of $35,000. As of June 30, 2013, PTGi had approximately 63,000 unvested stock options and stock appreciation rights outstanding of which $0.2 million of compensation expense is expected to be recognized over the weighted average remaining period of 1.3 years. The number of unvested stock options and stock appreciation rights expected to vest is approximately 57,000 shares, with a weighted average remaining life of 7.6 years, a weighted average exercise price of $9.64, and an intrinsic value of approximately $61,000.

Stockholders' Equity

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Stockholders' Equity

7. STOCKHOLDERS’ EQUITY

As of June 30, 2013 and December 31, 2012, there were 14,000,095 and 13,933,529 shares of common stock outstanding, respectively.

Class A and B Warrants

In July 2009, PTGi issued (A) Class A warrants (the “Class A Warrants”) to purchase shares of PTGi’s common stock, which are divided into three separate series (Class A-1, Class A-2 and Class A-3 Warrants), each of which series consists of 1,000,000 warrants to purchase an original aggregate amount of up to 1,000,000 shares of PTGi common stock; and (B) Class B warrants (the “Class B Warrants” and, together with the Class A Warrants, the “Warrants”) to purchase an original aggregate amount of up to 1,500,000 shares of PTGi common stock. In connection with the issuance of the Warrants, PTGi entered into a Warrant Agreement for each of the Class A Warrants and the Class B Warrants, in each case with Broadridge Financial Solutions, Inc. (successor-in-interest to StockTrans, Inc.), as warrant agent. The original exercise price with respect to (i) the Class A-1 Warrants was $12.22 per share; (ii) the Class A-2 Warrants was $16.53 per share; (iii) the Class A-3 Warrants was $20.50 per share; and (iv) the Class B Warrants was $26.01 per share. The Warrants have a five-year term and will expire on July 1, 2014. A holder may exercise Warrants by paying the applicable exercise price in cash. In addition, a holder may exercise Warrants on a cashless basis in connection with a change of control (as defined in each of the Class A and Class B Warrant Agreement), in connection with a transaction pursuant to an effective registration statement covering the sale of PTGi common stock underlying such Warrants, or if the exercise occurs on a date when the daily volume-weighted average price of the PTGi common stock for the immediately preceding 10 trading days exceeds 150% of the exercise price applicable to such Warrants. The Warrants are freely transferrable by the holder thereof.

Antidilution adjustment provisions in each of the Class A Warrant Agreement and Class B Warrant Agreement provide that the number of shares of PTGi common stock issuable upon exercise of the Warrants and the exercise prices of the Warrants will be adjusted in connection with any dividend or distribution of PTGi common stock, assets or cash (other than any regular cash dividend not to exceed in any fiscal year 45% of the consolidated net income of the Company), or any subdivision or combination of the PTGi common stock. In addition, the number of shares of PTGi common stock issuable upon exercise of the Warrants and the exercise prices of the Warrants are also subject to adjustment in connection with any issuance, grant or sale to any person of (A) rights, warrants, options, exchangeable securities or convertible securities entitling such person to subscribe for, purchase or otherwise acquire shares of PTGi common stock at a price per share less than the fair market value of the PTGi common stock on the trading day immediately prior to such issuance, sale or grant, subject to certain exceptions, or (B) shares of PTGi common stock at a price per share less than the fair market value of the PTGi common stock on the trading day immediately prior to such issuance, sale or grant. Additionally, if any transaction or event occurs in which all or substantially all of the outstanding PTGi common stock is converted into, exchanged for, or the holders thereof are otherwise entitled to receive on account thereof stock, other securities, cash or assets (each, a “Fundamental Change Transaction”) the holder of each Warrant outstanding immediately prior to the occurrence of such Fundamental Change Transaction shall have the right to receive upon exercise of the applicable Warrant the kind and amount of stock, other securities, cash and/or assets that such holder would have received if such Warrant had been exercised.

The Dividends that occurred in 2012 (discussed below under “—Special Dividends”) triggered the antidilution adjustment provisions in the Warrant Agreements, such that (A) the exercise price with respect to (i) the Class A-1 Warrants was adjusted downward to $8.91, (ii) the Class A-2 Warrants was adjusted downward to $12.05, (iii) the Class A-3 Warrants was adjusted downward to $14.93, and (iv) the Class B Warrants was adjusted downward to $18.96; and (B) after taking into account exercised Warrants, the number of shares of PTGi common stock issuable upon exercise of (i) the Class A-1 Warrants was adjusted upward to 1,370,735, (ii) the Class A-2 Warrants was adjusted upward to 1,372,293, (iii) the Class A-3 Warrants was adjusted upward to 1,372,293, and (iv) the Class B Warrants was adjusted upward to 2,058,438. Due to the nature of the mandatory antidilution provisions applicable to the Warrants, the Company has evaluated the accounting impact of the modification accounting under ASC 718, and concluded that the modification of the terms of such instruments did not result in a significant change of fair value before and after the modification date. There were 8,700 Class A-1 Warrants exercised during the six months ended June 30, 2013.

Contingent Value Rights

In July 2009, the Company issued contingent value rights (“CVRs”), which allowed holders to receive shares of PTGi common stock (subject to adjustment, the “CVR Shares”), in an original aggregate amount of up to 2,665,000 shares. Subject to the terms of the CVR Agreement governing the CVRs, holders of CVRs would receive their pro rata share of the CVR Shares if certain conditions were satisfied. A distribution of CVR Shares would be required to be made by the Company if, as of any valuation date, the Company’s equity value (assuming cash exercise in full on such date of in-the-money warrants and options of the Company) divided by the sum of the number of shares of PTGi common stock then issued and outstanding plus the number of shares of PTGi common stock underlying warrants, options and similar securities of the Company (other than CVRs) that are then in-the-money exceeded the CVR strike price (subject to adjustment, the “CVR Strike Price”) in an original amount of $35.95.

The Dividends that occurred in 2012 (discussed below under “—Special Dividends”) triggered the antidilution adjustment provisions in the CVR Agreement, such that (A) the CVR Strike Price was adjusted downward to $26.20 and (B) the maximum number of CVR Shares issuable with respect to the CVRs was adjusted upward to 3,657,157. Due to the nature of the mandatory antidilution provisions applicable to the CVRs, the Company has evaluated the accounting impact of the modification accounting under ASC 718 and concluded that the modification of the terms of such instruments did not result in a significant change of fair value before and after the modification date.

The initial closing of the sale of North America Telecom (See Note 13—“Subsequent Events”) constituted a change of control under the CVR Agreement. Pursuant to the terms of the CVR Agreement, the Company performed a valuation of the Company’s equity value as of July 1, 2013, the first valuation date required by the CVR Agreement, and as of July 30, 2013, the business day immediately preceding the initial closing date of the sale, as a result of which no CVR Shares were distributed to holders of the CVRs. The CVR Agreement terminated in accordance with its terms upon the closing of the North America Telecom sale.

Special Dividends

During 2012, PTGi’s Board of Directors declared three special cash dividends (the “Dividends”) with respect to PTGi’s issued and outstanding common stock, as presented in the following table (Total Dividend amounts presented in thousands):

Special Cash Dividend Per Share

$1.00

$2.50

$0.50

Declaration Date

June 20, 2012

November 14, 2012

December 11, 2012

Holders of Record Date

July 2, 2012

November 27, 2012

December 21, 2012

Payment Date

July 16, 2012

December 11, 2012

December 28, 2012

Total Dividend

13,804

34,551

6,910

In addition, with respect to unvested RSUs and restricted stock, the Company recorded, at the time of each Dividend, a dividend equivalent equal to the amount of each Dividend per RSU or share of restricted stock, as applicable, to holders of RSUs and restricted stock amounting to $1.3 million. The payment of the dividend equivalent will occur upon vesting of the RSU or share of restricted stock. With respect to certain outstanding stock options, in connection with each Dividend, the Company reduced the exercise price and increased the number of shares of common stock issuable upon exercise of such options, in each case in order to prevent dilution of the rights of holders of awards as a result of the Dividends. Due to the nature of the discretionary antidilution provisions applicable to the RSUs, the Company has evaluated the accounting impact of the modification accounting under ASC 718 and concluded that the modification of the terms of such instruments did not result in a significant change in fair value before and after the modification date.

- Definition

The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(d),(e))
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Reference 15: http://www.xbrl.org/2003/role/presentationRef
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Reference 16: http://www.xbrl.org/2003/role/presentationRef
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+ Details

Income Taxes

6 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Income Taxes

8. INCOME TAXES

The Company conducts business globally, and as a result, PTGi or one or more of its subsidiaries files income tax returns in the United States federal jurisdiction and various state and foreign jurisdictions. In the normal course of business the Company is subject to examination by taxing authorities throughout the world.

The following table summarizes the open tax years for each major jurisdiction:


Jurisdiction	Open Tax Years
United States Federal		2002—2012
Canada		2004—2012
United Kingdom		2004—2012
Netherlands		2007—2012

The Company is currently under examination in Canada and certain other foreign tax jurisdictions, which, individually and in the aggregate, are not material.

The Company adopted the provisions of ASC No. 740, “Income Taxes” (“ASC 740”), on January 1, 2007. It is expected that the amount of unrecognized tax benefits, reflected in the Company’s financial statements, will change in the next twelve months; however, the Company does not expect the change to have a significant impact on the results of operations or the financial position of the Company. During the three and six months ended June 30, 2013, penalties and interest were immaterial. As of June 30, 2013, the gross unrecognized tax benefit on the balance sheet was $66.2 million.

As of February 28, 2011, and the completion of the merger of PTG Investments, a wholly owned subsidiary of the Company with and into Arbinet Corporation, the Company believes that an ownership change for tax purposes took place with respect to both PTGi and Arbinet. This conclusion is based on Schedule 13D and Schedule 13G filings concerning Company securities, as filed with the SEC. As a result of the ownership change, an annual limitation of $7.0 million is required under section 382 of the Company’s then-existing NOLs. This limitation is in addition to the NOL utilization limitation of approximately $1.6 million due to the July 1, 2009, ownership change. The annual limitation under section 382 of Arbinet then-existing NOLs is approximately $2.2 million.

Fair Value of Financial Instruments and Derivatives

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments and Derivatives

9. FAIR VALUE OF FINANCIAL INSTRUMENTS AND DERIVATIVES

The carrying amounts reported in the condensed consolidated balance sheets for cash and cash equivalents, restricted cash, accounts receivable and accounts payable approximate fair value due to relatively short periods to maturity. The estimated aggregate fair value of the Company’s debt, based on quoted market prices, was $128.2 million and $125.4 million at June 30, 2013 and December 31, 2012, respectively. The aggregate carrying value of the Company’s debt was $126.3 million and $127.0 million at June 30, 2013 and December 31, 2012, respectively.

See the table below for a summary of the Company’s financial instruments accounted for at fair value on a recurring basis:

Fair Value as of June 30, 2013, using:

Quoted prices

Significant

in Active

Other

Significant

Markets for

Observable

Unobservable

Identical Assets

Inputs

June 30, 2013

(Level 1)

(Level 2)

(Level 3)

Liabilities:

Contingent Value Rights (CVRs)

—

Total

—

Fair Value as of December 31, 2012, using:

Quoted prices

Significant

in Active

Other

Significant

Markets for

Observable

Unobservable

Identical Assets

Inputs

December 31, 2012

(Level 1)

(Level 2)

(Level 3)

Liabilities:

Contingent Value Rights (CVRs)

14,904

—

14,904

—

Total

14,904

—

14,904

—

The CVRs are marked to fair value at each balance sheet date. The change in value is reflected in our condensed consolidated statements of operations. As a result of the pending sale of North America Telecom during the second quarter of 2013, and the anticipated valuation and expiration of the CVRs in connection therewith, the fair value of the CVRs was marked at zero as of June 30, 2013. Estimates of fair value represent the Company’s best estimates based on a pricing model using the following assumptions as of June 30, 2012: (1) expected life of 7 years; (2) risk-free rate of 1.11%; (3) expected volatility of 47.97%; (4) dividend yield of 0%; (5) exercise price of $35.95; (6) stock price of $15.57. During the three months ended June 30, 2013 and 2012, ($14.8) million and ($2.0) million, respectively, of (income) expense was recognized as a result of marking the CVRs to their fair value, and during the six months ended June 30, 2013 and 2012, ($14.9) million and $5.2 million, respectively, of (income) expense was recognized as a result of marking the CVRs to their fair value.

See the table below for a summary of the Company’s financial instruments accounted for at fair value on a nonrecurring basis:


			Fair Value as of June 30, 2013, using:
			Quoted prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
	June 30, 2013		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	—		—		—		—
Trade names		—		—		—		—
Net assets held for sale		138,217		—		—		138,217

Total	$	138,217		—		—		138,217


			Fair Value as of December 31, 2012, using:
			Quoted prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
	December 31, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	60,744		—		—		60,744
Trade names		27,000		—		—		27,000
Net assets held for sale		15,762		—		—		15,762

Total	$	103,506		—		—		103,506

See Note 2—“Summary of Significant Accounting Policies—Goodwill and Other Intangible Assets” and “Summary of Significant Accounting Policies—Valuation of Long-lived Assets (Held for Sale)” for a discussion of the inputs and valuation techniques.

- Definition

The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information.

+ References + Details

Discontinued Operations

6 Months Ended

Jun. 30, 2013

Discontinued Operations And Disposal Groups [Abstract]

Discontinued Operations

10. DISCONTINUED OPERATIONS

Discontinued Operations—six months ended June 30, 2013

On April 17, 2013, the Company completed the sale of its BLACKIRON Data segment to Rogers Communications Inc., a Canadian telecommunications company, and its affiliates (together “Rogers”) for CAD$200.0 million (or approximately USD$195.6 million giving effect to the currency exchange rate on the day of sale). The Company recorded a $135.0 million gain from the sale of this segment during the second quarter of 2013. The purchase price is subject to potential downward or upward post-closing adjustments based on net working capital and cash at closing. In addition, the purchase agreement contains customary indemnification obligations, representations, warranties and covenants for a transaction of this nature. In connection with the closing of the transaction, CAD$20.0 million (or approximately USD$19.5 million giving effect to the currency exchange rate on the day of sale) was retained from the purchase price and placed into escrow until July 17, 2014 for purposes of satisfying potential indemnification claims pursuant to the purchase agreement.

On May 10, 2013, PTGi announced that PTGi and each of PTHI, Primus Telecommunications International, Inc. (“PTII”) and Lingo Holdings, Inc. (“Lingo Holdings”, and together with PTHI and PTII, the “Sellers”), direct or indirect wholly owned subsidiaries of PTGi, entered into an equity purchase agreement dated as of May 10, 2013 (the “North America Telecom Purchase Agreement”) with PTUS, Inc. (“US Acquireco”) and PTCAN, Inc. (“CAN Acquireco” and together with US Acquireco, the “Purchasers”), affiliates of York Capital Management, an investment firm, to sell to the Purchasers all of the outstanding equity of each of Primus Telecommunications, Inc. (“PTI”), Lingo, Inc. (“Lingo”), iPrimus, USA, Inc. (“iPrimus”), 3620212 Canada Inc. (“Primus Canada”), PTCI, Telesonic Communications Inc. (“Telesonic”), and Globility Communications Corporation (“Globility”, and together with PTI, Lingo, iPrimus, Primus Canada, PTCI and Telesonic, the “NAT Companies”), indirect or direct wholly owned subsidiaries of PTGi, for $129 million (the “North America Telecom Transaction”). The purchase price is subject to potential downward or upward post-closing adjustments based on net working capital and cash at closing. In addition, the North America Telecom Purchase Agreement contains customary indemnification obligations, representations, warranties and covenants for a transaction of this nature. Certain indemnification obligations are subject to a cap of $12.9 million. In addition, the North America Telecom Purchase Agreement provides that the Company must, for 14 months after the closing of the transaction, maintain a minimum balance of cash and cash equivalents necessary to satisfy potential indemnification obligations under the North America Telecom Purchase Agreement.

Pursuant to the terms of the North America Telecom Purchase Agreement, $6.45 million of the purchase price will be placed in escrow to be released 14 months after the closing date, subject to any deductions required to satisfy indemnification obligations of PTGi under the North America Telecom Purchase Agreement. In addition, $4.0 million of the purchase price will be placed in escrow to cover any payments required in connection with the post-closing working capital and cash adjustments, which escrow amount will be released when such adjustments are conclusively agreed upon. Furthermore, $4.8 million of the purchase price will be placed in escrow to cover certain tax liabilities, which escrow amount will be released after a positive ruling with respect to the underlying matter is received or 30 days after expiration of the applicable statute of limitations relating to the underlying matter.

The NAT Companies conduct PTGi’s North America Telecom retail telecommunications operations in the United States and Canada.

In the second quarter of 2013, the North America Telecom Transaction was approved by the Board of Directors of PTGi as well as the special committee of the Board of Directors of PTGi. The North America Telecom Transaction was subject to PTGi shareholder approval, regulatory approvals and other customary closing conditions.

As discussed in Note 13—“Subsequent Events,” the Company received shareholder approval of the North America Telecom Transaction on July 17, 2013 and consummated such transaction on July 31, 2013, with the exception of the sale of PTI. In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013, the Company issued notices of redemption for all outstanding debt. Because the debt is required to be repaid as a result of the sale of North America Telecom, the interest expense of Primus Telecommunications Holding, Inc. has been allocated to discontinued operations.

Discontinued Operations—year ended December 31, 2012

On May 31, 2012, the Company completed the sale of its Australian segment to M2 Telecommunications Group Ltd. (“M2”), an Australian telecommunications company, for approximately AUD$192.4 million (or approximately USD$195.7 million giving effect to a currency hedge that the Company put in place in connection with the transaction). The Company recorded a $98.6 million gain from the sale of this segment during the second quarter of 2012. In connection with the closing of the transaction, $9.8 million was retained from the purchase price and placed into escrow until May 31, 2013 for purposes of satisfying potential indemnification claims pursuant to the purchase agreement. The purchase price was also subject to a customary post-closing working capital adjustment. In the fourth quarter of 2012, the Company and M2 settled on a working capital adjustment and the escrow was released. The Company received $5.4 million and M2 received $4.4 million. The $4.4 million was recorded as an adjustment to the gain that was recorded in the second quarter of 2012, which resulted in a net gain for the year ended December 31, 2012 of $94.3 million.

On June 28, 2012, the Board of Directors of PTGi committed to dispose of the Company’s ICS business unit and as a result classified ICS as a discontinued operation. In the fourth quarter of 2012, the Company began discussions with potential buyers for BLACKIRON Data and North America Telecom. The special committee of the Board of Directors believed that the Company’s focus was best served on these potential deals as they would provide a greater return to our shareholders. These events, although unanticipated at the time, took precedence over the ICS sale process, and therefore resulted in the need to extend the allowable period to complete the sale of ICS under ASC 360 to beyond one year. The Company continues to actively solicit a sale or other disposition of its ICS business unit. In conjunction with the commitment to dispose of ICS and classification of ICS as a discontinued operation, the Company evaluated the carrying value of ICS in the second quarter of 2012 which resulted in it being higher than its fair value less costs to sell by $10.3 million and have attributed such adjustment to the long-lived assets of ICS. As the adjustment is related to ICS, it is classified within Income (loss) from discontinued operations, net of tax on the consolidated statements of operations in the second quarter of 2012. The Company performed the same analysis as of June 30, 2013 and December 31, 2012 and determined that the fair value less costs to sell exceeded the carrying value and therefore no additional adjustment was required.

As a result of these events, the Company’s condensed consolidated financial statements reflect the BLACKIRON Data, North America Telecom, Australian and ICS segments, as well as PTHI’s interest expense as discontinued operations for the three and six months ended June 30, 2013 and 2012. Accordingly, revenue, costs and expenses of the discontinued operations have been excluded from the respective captions in the condensed consolidated statements of operations. The net operating results of the discontinued operations have been reported, net of applicable income taxes as income or loss (where applicable) from discontinued operations. Additionally, the assets and liabilities of ICS and North America Telecom have been classified as held for sale assets and liabilities as of June 30, 2013 and the assets and liabilities of ICS have been classified as held for sale assets and liabilities as of December 31, 2012. The held for sale assets and liabilities were removed from the specific line items on the condensed consolidated balance sheets as of June 30, 2013 and December 31, 2012.

Summarized operating results of the discontinued operations are as follows (in thousands):


	Three Months Ended June 30, 2013			Three Months Ended June 30, 2012			Six Months Ended June 30, 2013			Six Months Ended June 30, 2012
Net revenue	$	108,937		$	182,667		$	228,609		$	417,359
Operating expenses		106,464			186,518			220,565			411,572

Income (loss) from operations		2,473			(3,851	)		8,044			5,787
Interest expense		(4,266	)		(7,215	)		(8,515	)		(14,398	)
Interest income and other income (expense)		(22	)		190			(58	)		347
Foreign currency transaction gain (loss)		(780	)		(5,628	)		(972	)		(2,758	)

Income (loss) before income tax		(2,595	)		(16,504	)		(1,501	)		(11,022	)
Income tax (expense) benefit		(359	)		(5,312	)		(298	)		(5,157	)

Income (loss) from discontinued operations	$	(2,954	)	$	(21,816	)	$	(1,799	)	$	(16,179	)

Summarized assets and liabilities of ICS and North America Telecom classified as held for sale as of June 30, 2013 and assets and liabilities of ICS classified as held for sale as of December 31, 2012 are as follows (in thousands):


	ICS				North America Telecom
	June 30, 2013		December 31, 2012		June 30, 2013
Accounts receivable	$	18,133	$	16,070	$	14,593
Prepaid expenses and other current assets		3,421		4,196		6,131
Restricted cash		253		487		808
Long-lived assets		19,930		19,313		142,507

Assets held for sale	$	41,737	$	40,066	$	164,039

Accounts payable	$	8,582	$	10,580	$	9,554
Accrued interconnection costs		6,641		6,961		2,289
Accrued expenses and other liabilities		6,117		6,763		34,376

Liabilities held for sale	$	21,340	$	24,304	$	46,219

- Definition

The entire disclosure for the facts and circumstances leading to the completed or expected disposal, manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the classification (whether sold or classified as held for sale) and carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1436-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1020-107759

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e1012-107759

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230

+ Details

Basic and Diluted Income (Loss) Per Common Share

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Basic and Diluted Income (Loss) Per Common Share

11. BASIC AND DILUTED INCOME (LOSS) PER COMMON SHARE

Basic income (loss) per common share is calculated by dividing income (loss) attributable to common shareholders by the weighted average common shares outstanding during the period. Diluted income per common share adjusts basic income per common share for the effects of potentially dilutive common share equivalents.

As of June 30, 2013, potentially dilutive common shares include the dilutive effects of common shares issuable under the Management Compensation Plan, including stock options and restricted stock units (RSUs), using the treasury stock method, as well as CVRs and Warrants.

The Company had dilutive common share equivalents during the three and six months ended June 30, 2013, due to the results of operations being income from continuing operations, net of tax. For the three and six months ended June 30, 2013, the following were dilutive and were included in the calculation of diluted loss per common share due to their dilutive effect:

•

0.2 million shares issuable upon exercise of stock options and RSUs under the Management Compensation Plan; and

•

0.3 million shares issuable upon exercise of Warrants.

The Company had no dilutive common share equivalents during the three and six months ended June 30, 2012, due to the results of operations being a loss from continuing operations, net of tax. For the three and six months ended June 30, 2012, the following were potentially dilutive but were excluded from the calculation of diluted loss per common share due to their antidilutive effect:

•

0.5 million shares issuable upon exercise of stock options and RSUs under the Management Compensation Plan;

•

4.5 million shares issuable upon exercise of Warrants; and

•

2.7 million shares issuable upon exercise of CVRs.

A calculation of basic income (loss) per common share to diluted income (loss) per common share is set forth below (in thousands, except per share amounts):


	Three Months Ended June 30, 2013			Three Months Ended June 30, 2012			Six Months Ended June 30, 2013			Six Months Ended June 30, 2012
Income (loss) from continuing operations, net of tax	$	5,267		$	(7,991	)	$	900		$	(20,486	)
Income (loss) from discontinued operations, net of tax		(2,954	)		(21,816	)		(1,799	)		(16,179	)
Gain (loss) from sale of discontinued operations, net of tax		135,045			98,666			135,045			98,666

Net income (loss) attributable to Primus Telecommunications Group, Incorporated-basic	$	137,358		$	68,859		$	134,146		$	62,001

Net income (loss) attributable to Primus Telecommunications Group, Incorporated-diluted	$	137,358		$	68,859		$	134,146		$	62,001

Weighted average common shares outstanding-basic		13,972			13,839			13,941			13,791

Weighted average common shares outstanding-diluted		14,436			13,839			14,404			13,791

Basic income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$	0.38		$	(0.58	)	$	0.06		$	(1.49	)
Income (loss) from discontinued operations		(0.21	)		(1.58	)		(0.13	)		(1.17	)
Gain (loss) from sale of discontinued operations		9.66			7.13			9.69			7.15

Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$	9.83		$	4.97		$	9.62		$	4.49

Diluted income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$	0.36		$	(0.58	)	$	0.06		$	(1.49	)
Income (loss) from discontinued operations		(0.20	)		(1.58	)		(0.12	)		(1.17	)
Gain (loss) from sale of discontinued operations		9.35			7.13			9.37			7.15

Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$	9.51		$	4.97		$	9.31		$	4.49

Related Party Transactions	6 Months Ended
Related Party Transactions	Jun. 30, 2013
Related Party Transactions [Abstract]
Related Party Transactions	12. RELATED PARTY TRANSACTIONS The Company had no transactions with related parties in the six months ended June 30, 2013 and 2012.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References + Details

Subsequent Events	6 Months Ended
Subsequent Events	Jul. 27, 2013
Subsequent Events [Abstract]
Subsequent Events	13. SUBSEQUENT EVENTS North America Telecom Transaction On July 17, 2013, the Company received shareholder approval of the previously announced sale of its North America Telecom segment. See Note 10—“Discontinued Operations” for additional information on the North America Telecom Transaction. On July 31, 2013, the Company completed the sale of the majority of its entities involved in the North America Telecom Transaction, with the exception of the sale of PTI. Subject to regulatory approvals, the sale of PTI is expected to close subsequent to the third quarter of 2013. The Company received $126.0 million, subject to any adjustments pursuant to the North America Telecom Purchase Agreement, as part of the initial closing, with the remainder to be paid upon closing of the sale of PTI. Redemption of 13% Notes, 10% Notes and 10% Exchange Notes and Satisfaction and Discharge of Related Indentures In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013, PTHI, as the issuer of the 10% Notes and 10% Exchange Notes, issued a notice of redemption for all outstanding 10% Notes and 10% Exchange Notes with a redemption date of August 30, 2013 and irrevocably deposited $130.8 million in cash with the trustee for the 10% Notes and 10% Exchange Notes, representing the principal amount of the 10% Notes and 10% Exchange Notes to be redeemed, the applicable redemption premium with respect to the 10% Notes to be redeemed and accrued but unpaid interest on such 10% Notes and 10% Exchange Notes to the redemption date. The total principal amount of such notes to be redeemed is approximately $125.3 million, consisting of approximately $12.7 million in aggregate principal amount of the 10% Notes to be redeemed at a redemption price of 106.50% of the principal amount thereof and $112.6 million in aggregate principal amount of the 10% Exchange Notes to be redeemed at a redemption price of 100.00% of the principal amount thereof, in each case plus accrued and unpaid interest to the redemption date. PTHI thereby satisfied and discharged the 10% Notes Indenture, as a result of which all of the obligations of PTHI, as the issuer of the 10% Notes and 10% Exchange Notes, and the guarantors of the 10% Notes and 10% Exchange Notes (including PTGi) under the 10% Notes Indenture ceased to be of further effect (subject to certain exceptions) and the liens on collateral of PTHI and the guarantors of the 10% Notes and 10% Exchange Notes securing such notes were released. Also on July 31, 2013, PTHI and PTCI, as the issuers of the 13% Notes, issued a notice of redemption for all outstanding 13% Notes with a redemption date of August 30, 2013 and irrevocably deposited $2.7 million in cash with the trustee for the 13% Notes, representing the principal amount of the 13% Notes to be redeemed, the applicable redemption premium with respect to such 13% Notes and accrued but unpaid interest on such 13% Notes to the redemption date. The total principal amount of such 13% Notes to be redeemed is approximately $2.4 million. PTHI and PTCI thereby satisfied and discharged the 13% Notes Indenture, as a result of which all of the obligations of PTHI and PTCI, as the issuers of the 13% Notes, and the guarantors of the 13% Notes (including PTGi) under the 13% Notes Indenture ceased to be of further effect (subject to certain exceptions). Liens on collateral securing the 13% Notes had previously been released in connection with the amendment of the 13% Notes Indenture that became effective on July 7, 2011. Resignation of Andrew Day On July 31, 2013, Andrew Day, who has served as the Company’s President and Chief Executive Officer since January 1, 2013, resigned from all positions with the Company, effective July 31, 2013. In connection with Mr. Day’s resignation, the Company entered into a Separation and Release Agreement (the “Separation Agreement”) with Mr. Day. Pursuant to the Separation Agreement, Mr. Day’s employment with the Company is deemed terminated without cause for purposes of that certain Employment Letter, dated February 9, 2012 (the “Employment Letter”), between Mr. Day and the Company, and Mr. Day became entitled to the following severance benefits: (i) $1,201,589 CAD; (ii) the accelerated vesting of 17,368 unvested RSUs held by Mr. Day and a payment of $69,472 for dividend equivalents accrued with respect to such unvested RSUs; and (iii) payment of health insurance premiums until July 31, 2014. The Separation Agreement also contains customary release and non-disparagement provisions. Appointment of Robert Pons On July 31, 2013, the Board of Directors of PTGi appointed Robert Pons to serve as the President and Chief Executive Officer of the Company, effective as of August 1, 2013. Mr. Pons was named to PTGi’s Board of Directors in September 2011 and will continue to serve on PTGi’s Board of Directors. He served on PTGi’s Compensation Committee from September 2011 to July 2013. In connection with his appointment as President and Chief Executive Officer, Mr. Pons resigned from the Compensation Committee. Mr. Pons will continue to receive Board of Directors fees, but will receive no additional salary for his service as President and Chief Executive Officer. Board Declares Special Dividend of $8.50 per Share On August 7, 2013, PTGi’s Board of Directors declared a special cash dividend of $8.50 per share with respect to PTGI’s issued and outstanding common stock. The special cash dividend will be paid on August 27, 2013 to holders of record of PTGI common stock as of August 20, 2013. For material special dividends, the rules of the New York Stock Exchange require the ex-dividend date to be one business day after the payment date. Accordingly, the ex-dividend date has been set for August 28, 2013.

Summary of Significant Accounting Policies (Policies)	6 Months Ended
Summary of Significant Accounting Policies (Policies)	Jun. 30, 2013
Accounting Policies [Abstract]
Discontinued Operations	Discontinued Operations—In the second quarter of 2012, the Company sold its Australian segment and committed to dispose of and actively solicited a sale or other disposition of its International Carrier Services (“ICS”) business unit. In the second quarter of 2013, the Company sold its BLACKIRON Data segment and reiterated its commitment to dispose of its ICS business unit. In addition, in the second quarter of 2013, the Company entered into a definitive purchase agreement to sell its North America Telecom segment and sought shareholder approval of such transaction. Subsequent to June 30, 2013, on July 31, 2013, the Company completed the initial closing of the sale of its North America Telecom segment (see Note 10—“Discontinued Operations” and Note 13—“Subsequent Events”). In conjunction with the initial closing of the sale of the North America Telecom segment on July 31, 2013 (see Note 13—“Subsequent Events”), the Company issued notices of redemption for all outstanding debt. Because the debt is required to be repaid as a result of the sale of North America Telecom, the interest expense of Primus Telecommunications Holding, Inc. has been allocated to discontinued operations. The Company has applied retrospective adjustments for the three and six months ended June 30, 2012 to reflect the effects of the discontinued operations that occurred during 2013. Accordingly, revenue, costs and expenses of the discontinued operations have been excluded from the respective captions in the condensed consolidated statements of operations. Additionally, the assets and liabilities of ICS and North America Telecom have been classified as held for sale assets and liabilities as of June 30, 2013 and the assets and liabilities of ICS have been classified as held for sale assets and liabilities as of December 31, 2012. The held for sale assets and liabilities were removed from the specific line items on the condensed consolidated balance sheets as of June 30, 2013 and December 31, 2012. See Note 10—“Discontinued Operations,” for further information regarding these transactions.
Principles of Consolidation	Principles of Consolidation—The condensed consolidated financial statements include the Company’s accounts, its wholly owned subsidiaries and all other subsidiaries over which the Company exerts control. Prior to July 31, 2012, the Company owned 45.6% of Globility Communications Corporation (“Globility”) through direct and indirect ownership structures. As a result of changes to the Telecommunications Act in Canada, the Company is no longer restricted by Canadian foreign ownership laws. Given these changes, Primus Telecommunications International, Inc. (“PTII”) purchased the remaining 54.4% of Globility on July 31, 2012. The stock of Globility was included in the sale of the North America Telecom segment. See Note 13—“Subsequent Events”. Prior to the purchase of the remaining 54.4%, the results of Globility and its subsidiary are consolidated with the Company’s results based on guidance from the Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) No. 810, “Consolidation” (“ASC 810”). All intercompany profits, transactions and balances have been eliminated in consolidation.
Property and Equipment	Property and Equipment—Property and equipment are recorded at cost less accumulated depreciation, which is provided on the straight-line method over the estimated useful lives of the assets. Cost includes major expenditures for improvements and replacements which extend useful lives or increase capacity of the assets as well as expenditures necessary to place assets into readiness for use. Expenditures for maintenance and repairs are expensed as incurred. The estimated useful lives of property and equipment are as follows: network equipment—5 to 8 years, fiber optic and submarine cable—8 to 25 years, furniture and equipment—5 years, and leasehold improvements and leased equipment—shorter of lease or useful life. Costs for internal use software that are incurred in the preliminary project stage and in the post-implementation stage are expensed as incurred. Costs incurred during the application development stage are capitalized and amortized over the estimated useful life of the software.
Goodwill and Other Intangible Assets	Goodwill and Other Intangible Assets—Under ASC No. 350, “Intangibles—Goodwill and Other” (“ASC 350”), goodwill and indefinite lived intangible assets are not amortized but are reviewed annually for impairment, or more frequently, if impairment indicators arise. Intangible assets that have finite lives are amortized over their estimated useful lives and are subject to the provisions of ASC No. 360, “Property, Plant and Equipment” (“ASC 360”). Goodwill impairment is tested at least annually (October 1^st) or when factors indicate potential impairment using a two-step process that begins with an estimation of the fair value of each reporting unit. Step 1 is a screen for potential impairment pursuant to which the estimated fair value of each reporting unit is compared to its carrying value. The Company estimates the fair values of each reporting unit by a combination of (i) estimation of the discounted cash flows of each of the reporting units based on projected earnings in the future (the income approach) and (ii) a comparative analysis of revenue and EBITDA multiples of public companies in similar markets (the market approach). If there is a deficiency (the estimated fair value of a reporting unit is less than its carrying value), a Step 2 test is required. Step 2 measures the amount of impairment loss, if any, by comparing the implied fair value of the reporting unit’s goodwill with its carrying amount. The implied fair value of goodwill is determined in the same manner as the amount of goodwill recognized in a business combination is determined; i.e., through an allocation of the fair value of a reporting unit to all of the assets and liabilities of that unit as if the reporting unit had been acquired in a business combination. If the carrying amount of the reporting unit goodwill exceeds the implied fair value of that goodwill, an impairment loss shall be recognized in an amount equal to that excess. The Company also may utilize the provisions of Accounting Standards Update (“ASU”) No. 2011-08, “Testing Goodwill for Impairment” (“ASU 2011-08”), which allows the Company to use qualitative factors to determine whether the existence of events or circumstances leads to a determination that it is more likely than not that the fair value of a reporting unit is less than its carrying amount. The Company’s reporting units in 2011 were Australia, Canada and US/ICS. In May 2012, the Australian reporting unit was sold, and the reporting units were Canada and US/ICS. Subsequent to classifying ICS as a discontinued operation in the second quarter of 2012, the remaining reporting units are Canada and US. Estimating the fair value of a reporting unit requires various assumptions including projections of future cash flows, perpetual growth rates and discount rates. The assumptions about future cash flows and growth rates are based on the Company’s assessment of a number of factors, including the reporting unit’s recent performance against budget, performance in the market that the reporting unit serves, and industry and general economic data from third party sources. Discount rate assumptions are based on an assessment of the risk inherent in those future cash flows. Changes to the underlying businesses could affect the future cash flows, which in turn could affect the fair value of the reporting unit. Intangible assets not subject to amortization consist of certain trade names. Such indefinite lived intangible assets are tested for impairment annually, or more frequently if events or changes in circumstances indicate that the asset might be impaired. The impairment test shall consist of a comparison of the fair value of an intangible asset with its carrying amount. If the carrying amount of the intangible asset exceeds its fair value, an impairment loss shall be recognized in an amount equal to the excess. Intangible assets subject to amortization consist of certain trade names and customer relationships. These finite lived intangible assets are amortized based on their estimated useful lives. Such assets are subject to the impairment provisions of ASC 360, wherein impairment is recognized and measured only if there are events and circumstances that indicate that the carrying amount may not be recoverable. The carrying amount is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use of the asset group. An impairment loss is recorded if after determining that it is not recoverable, the carrying amount exceeds the fair value of the asset. In addition to the foregoing, the Company reviews its goodwill and intangible assets for possible impairment whenever events or circumstances indicate that the carrying amounts of assets may not be recoverable. The factors that the Company considers important, and which could trigger an impairment review, include, but are not limited to: a more than likely than not expectation of selling or disposing all, or a portion, of a reporting unit; a significant decline in the market value of our common stock or debt securities for a sustained period; a material adverse change in economic, financial market, industry or sector trends; a material failure to achieve operating results relative to historical levels or projected future levels; and significant changes in operations or business strategy. The current carrying values by reporting unit of the goodwill and other indefinite-lived intangible assets are disclosed in Note 3—“Goodwill and Other Intangible Assets.”
Valuation of Long-lived Assets (Held for Sale)	Valuation of Long-lived Assets (Held for Sale)—In conjunction with the Company’s commitment to dispose of its ICS business, and the entry into definitive agreements with respect to the sale of North America Telecom, which was substantially completed on July 31, 2013, at June 30, 2013, the Company classified the net assets of ICS and North America Telecom as held for sale and is required to measure them at the lower of carrying value or fair value less costs to sell. The Company makes significant assumptions and estimates in the process of determining fair value regarding matters that are inherently uncertain, such as estimating future cash flows, discount rates and growth rates. The resulting cash flows are projected over an extended period of time, which subjects those assumptions and estimates to an even larger degree of uncertainty. While the Company believes that its estimates are reasonable, different assumptions could materially affect the valuation of the net assets of ICS. The current year analysis of carrying value and fair value less costs to sell is disclosed in Note 10—“Discontinued Operations.”
Derivative Instruments	Derivative Instruments— Pursuant to the terms of the Company’s 2009 bankruptcy reorganization (the “Reorganization Plan”), the Company issued to holders of the Company’s pre-Reorganization Plan common stock contingent value rights (“CVRs”) to receive shares of Company common stock (subject to adjustment, the “CVR Shares”) in an original aggregate amount of up to 2,665,000 shares. In connection with the issuance of the CVRs, the Company entered into a Contingent Value Rights Distribution Agreement (the “CVR Agreement”), in favor of holders of CVRs thereunder, dated as of July 1, 2009. As a result of the special cash Dividends discussed in Note 7—“Stockholders’ Equity,” antidilution provisions in the CVR Agreement were triggered and the maximum aggregate number of CVR Shares issuable with respect to the CVRs was adjusted upward from 2,665,000 shares to 3,657,157 shares while the strike price with respect to the CVRs was adjusted downward from $35.95 to $26.20. Due to the nature of the CVRs, the Company accounted for the instrument in accordance with ASC No. 815, “Derivatives and Hedging” (“ASC 815”), as well as related interpretations of this standard. The Company determined the CVRs to be derivative instruments to be accounted for as liabilities and marked to fair value at each balance sheet date. Upon issuance, the Company estimated the fair value of its CVRs using a pricing model and consequently recorded a liability of $2.6 million in the balance sheet caption “other liabilities” as part of fresh-start accounting. Post-issuance change in value is reflected in the consolidated statements of operations as gain (loss) from contingent value rights valuation. The Company’s estimates of fair value of its CVRs are correlated to and reflective of PTGi’s common stock price trends; in general, as the value of PTGi’s common stock increases, the estimated fair value of the CVRs also increases and, as a result, the Company recognizes a change in value of its CVRs as loss from contingent value rights valuation. Conversely and also in general, as the value of PTGi’s common stock decreases, the estimated fair value of the CVRs also decreases and as a result the Company recognizes a change in value of the CVRs as gain from contingent value rights valuation. See Note 9—“Fair Value of Financial Instruments and Derivatives.” The initial closing of the sale of North America Telecom (See Note 13—“Subsequent Events”) constituted a change of control under the CVR Agreement. Pursuant to the terms of the CVR Agreement, the Company performed a valuation of the Company’s equity value as of July 1, 2013, the first valuation date required by the CVR Agreement, and as of July 30, 2013, the business day immediately preceding the initial closing date of the sale, as a result of which no CVR Shares were distributed to holders of the CVRs. The CVR Agreement terminated in accordance with its terms upon the closing of the North America Telecom sale.
Use of Estimates	Use of Estimates—The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions. These estimates and assumptions affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of net revenue and expenses during the reporting period. Actual results may differ from these estimates. Significant estimates include allowance for doubtful accounts receivable, accrued interconnection cost disputes, the fair value of derivatives, market assumptions used in estimating the fair values of certain assets and liabilities, the calculation used in determining the fair value of PTGi’s stock options required by ASC No. 718, “Compensation—Stock Compensation” (“ASC 718”), income taxes and various tax contingencies. Estimates of fair value represent the Company’s best estimates developed with the assistance of independent appraisals or various valuation techniques and, where the foregoing have not yet been completed or are not available, industry data and trends and by reference to relevant market rates and transactions. The estimates and assumptions are inherently subject to significant uncertainties and contingencies beyond the control of the Company. Accordingly, the Company cannot provide assurance that the estimates, assumptions, and values reflected in the valuations will be realized, and actual results could vary materially. Any adjustments to the recorded fair values of these assets and liabilities, as related to business combinations and subsequent impairment assessment of goodwill, may impact the amount of recorded goodwill.
Reclassification	Reclassification—Certain previous year amounts have been reclassified to conform with current year presentations, as related to the reporting of the Company’s discontinued operations.
Newly Adopted Accounting Principles	Newly Adopted Accounting Principles In February 2013, an update was issued to the Comprehensive Income Topic No. 220, ASU 2013-02, “Reporting of Amounts Reclassified Out of Accumulated Other Comprehensive Income,” which requires entities to disclose additional information about items reclassified out of accumulated other comprehensive income (“AOCI”). ASU 2013-02 does not change the current U.S. GAAP requirements, for either public or nonpublic entities, for interim financial statement reporting of comprehensive income. That is, a total for comprehensive income must be reported in condensed interim financial statements in either (1) a single continuous statement or (2) two separate but consecutive statements. Entities should disclose the changes in AOCI balances by component. Both before-tax and net-of-tax presentations of the information are acceptable as long as an entity presents the income tax benefit or expense attributed to each component of other comprehensive income and reclassification adjustments in either the financial statements or the notes to the financial statements. Entities should also disclose significant items reclassified out of AOCI by component either on the face of the income statement or as a separate footnote to the financial statements. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. In January 2013, an update was issued to the Balance Sheet Topic ASC No. 210 to clarify the scope of the offsetting disclosure requirements of ASU 2011-11, “Disclosures about Offsetting Assets and Liabilities.” Under ASU 2013-01, “Clarifying the Scope of Disclosures about Offsetting Assets and Liabilities,” the disclosure requirements would apply to derivative instruments accounted for in accordance with ASC 815, including bifurcated embedded derivatives, repurchase agreements and reverse repurchase agreements, and securities borrowing and securities lending arrangements that are either offset on the balance sheet or subject to an enforceable master netting arrangement or similar agreement. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. Retrospective application is required for all comparative periods presented. In July 2012, an update was issued to the Intangibles—Goodwill and Other Topic ASC No. 350, ASU 2012-02, “Testing Indefinite-Lived Intangible Assets for Impairment,” which provides guidance to all entities, both public and nonpublic, that have indefinite-lived intangible assets, other than goodwill, reported in their financial statements. Under the amendments in this update, an entity has the option first to assess qualitative factors to determine whether the existence of events and circumstances indicates that it is more likely than not that the indefinite-lived intangible asset is impaired. If, after assessing the totality of events and circumstances, an entity concludes that it is not more likely than not that the indefinite-lived intangible asset is impaired, then the entity is not required to take further action. However, if an entity concludes otherwise, then it is required to determine the fair value of the indefinite-lived intangible asset and perform the quantitative impairment test by comparing the fair value with the carrying amount. An entity has the option to bypass the qualitative assessment for any indefinite-lived intangible asset in any period and proceed directly to performing the quantitative impairment test. An entity will be able to resume performing the qualitative assessment in any subsequent period. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. In December 2011, an update was issued to the Balance Sheet Topic ASC No. 210, ASU 2011-11, “Disclosures about Offsetting Assets and Liabilities,” which contains new disclosure requirements regarding the nature of an entity’s right of setoff and related arrangements associated with its financial instruments and derivative instruments. The new disclosures are designed to make financial statements that are prepared under U.S. GAAP more comparable to those prepared under International Financial Reporting Standards (“IFRSs”). Generally, it is more difficult to qualify for offsetting under IFRSs than it is under U.S. GAAP because under U.S. GAAP certain derivative and repurchase agreement arrangements are granted exceptions from the general offsetting model. As a result, entities with significant financial instrument and derivative portfolios that report under IFRSs typically present positions on their balance sheets that are significantly larger than those of entities with similarly sized portfolios whose financial statements are prepared in accordance with U.S. GAAP. To facilitate comparison between financial statements prepared under U.S. GAAP and IFRSs, the new disclosures will give financial statement users information about both gross and net exposures. On January 1, 2013, the Company adopted this update, which did not have a material impact on the condensed consolidated financial statements. New Accounting Pronouncements In March 2013, an update was issued to the Foreign Currency Matters Topic No. 830, ASU 2013-05, “Parent’s Accounting for the Cumulative Translation Adjustment upon Derecognition of Certain Subsidiaries or Groups of Assets within a Foreign Entity or of an Investment in a Foreign Entity,” which indicates that the entire amount of a cumulative translation adjustment related to an entity’s investment in a foreign entity should be released when there has been a (1) sale of a subsidiary or group of net assets within a foreign entity and the sale represents the substantially complete liquidation of the investment in the foreign entity; (2) loss of a controlling financial interest in an investment in a foreign entity; or (3) step acquisition for a foreign entity. Early adoption is permitted and this accounting update should be applied prospectively from the beginning of the fiscal year of adoption. The Company’s effective date for adoption is January 1, 2014. The Company does not foresee this accounting update having a material effect on its condensed consolidated financial statements in future periods, although that could change.

Goodwill and Other Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2013

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets Not Subject to Amortization

The Company’s intangible assets not subject to amortization consisted of the following (in thousands):


	June 30, 2013 (1)		December 31, 2012 (2)
Goodwill	$	—	$	60,744
Trade names	$	—	$	27,000

(1)	The table above does not reflect the portion of goodwill of $42.9 million and trade names of $27.0 million, as such non-amortizable intangible assets have been included in long-lived assets within assets held for sale as of June 30, 2013.

(2)	The table above does not reflect the portion of goodwill of $3.4 million, as such non-amortizable intangible asset has been included in long-lived assets within assets held for sale as of December 31, 2012.

Goodwill

The changes in the carrying amount of goodwill by reporting unit for the six months ended June 30, 2013 are as follows (in thousands):


	United States			Canada			Total
Balance as of December 31, 2012	$	26,582		$	34,162		$	60,744
Effect of change in foreign currency exchange rates		—			(1,001	)		(1,001	)
Disposition of business		—			(20,221	)		(20,221	)
Allocation to disposal group		(26,582	)		(12,940	)		(39,522	)

Balance as of June 30, 2013	$	—		$	—		$	—

Intangible Assets Subject to Amortization

Intangible assets subject to amortization consisted of the following (in thousands):


	June 30, 2013 (1)						December 31, 2012
	Gross Carrying Amount		Accumulated Amortization		Net Book Value		Gross Carrying Amount		Accumulated Amortization			Net Book Value
Trade names	$	—	$	—	$	—	$	3,500	$	(1,140	)	$	2,360
Customer relationships		—		—		—		94,142		(60,478	)		33,664

Total	$	—	$	—	$	—	$	97,642	$	(61,618	)	$	36,024

Long-Term Obligations (Tables)

6 Months Ended

Jun. 30, 2013

Debt Disclosure [Abstract]

Long-Term Obligations

Long-term obligations consisted of the following (in thousands):


	June 30, 2013			December 31, 2012
Obligations under capital leases and other	$	—		$	101
13% Senior Secured Notes due 2016		1,571			2,403
10% Senior Secured Notes due 2017		12,692			12,692
10% Senior Secured Exchange Notes due 2017		112,587			112,587

Subtotal	$	126,850		$	127,783
Original issue discount on Senior Secured Notes		(598	)		(671	)

Subtotal	$	126,252		$	127,112
Less: Current portion of long-term obligations		(126,252	)		(66	)

Total long-term obligations	$	—		$	127,046

Contractual Payments of Principal and Interest for Company's Long-Term Obligations

The following table reflects the contractual payments of principal and interest for the Company’s long-term obligations as of June 30, 2013:


Year Ending December 31,	Capital Leases and Other		13% Senior Secured Notes due 2016			10% Senior Secured Notes due 2017			10% Senior Secured Exchange Notes due 2017			Total
2013 (as of June 30, 2013)	$	—	$	1,614		$	13,168		$	116,809		$	131,591
2014		—		—			—			—			—
2015		—		—			—			—			—
2016		—		—			—			—			—
2017		—		—			—			—			—
Thereafter		—		—			—			—			—

Total minimum principal & interest payments		—		1,614			13,168			116,809			131,591
Less: Amount representing interest		—		(43	)		(476	)		(4,222	)		(4,741	)

Total long-term obligations	$	—	$	1,571		$	12,692		$	112,587		$	126,850

- Definition

Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e),(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21538-112644

Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399

Reference 9: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 10: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21521-112644

Reference 11: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5

+ Details

Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Commitments And Contingencies Disclosure [Abstract]

Purchase Obligations and Non-Cancellable Operating Leases, Including Continuing Obligations of Discontinued Operations


	Purchase		Operating
Year Ending December 31,	Obligations		Leases
2013 (as of June 30, 2013)	$	2,511	$	4,160
2014		4,217		6,636
2015		403		5,017
2016		362		4,130
2017		362		3,653
Thereafter		906		7,000

Total long-term obligations	$	8,761	$	30,596

Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2013

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Company's Restricted Stock Units

A summary of PTGi’s RSU activity during the six months ended June 30, 2013 is as follows:


				Weighted
				Average
				Grant Date
	Shares			Fair Value
Unvested – December 31, 2012		286,208		$	12.91
Granted		20,000		$	11.89
Vested		(190,247	)	$	11.91
Forfeitures		(82	)	$	15.60

Unvested – June 30, 2013		115,879		$	14.39

Summary of Company's Stock Options and Stock Appreciation Rights

A summary of PTGi’s stock option and stock appreciation rights activity during the six months ended June 30, 2013 is as follows:


				Weighted
				Average
	Shares			Exercise Price
Outstanding – December 31, 2012		212,244		$	9.24
Granted		40,000		$	11.89
Exercised		(10,344	)	$	8.91
Forfeitures		(1,982	)	$	8.91

Outstanding – June 30, 2013		239,918		$	9.70

Eligible for exercise		177,031		$	9.20

Intrinsic Values and Remaining Contractual Terms of Company's Stock Options and Stock Appreciation Rights

The following table summarizes the intrinsic values and remaining contractual terms of PTGi’s stock options and stock appreciation rights:


			Weighted
			Average
	Intrinsic		Remaining
	Value		Life in Years
Options outstanding – June 30, 2013	$	571,690		7.6
Options exercisable – June 30, 2013	$	510,522		7.1

Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2013

Equity [Abstract]

Summary of Special Cash Dividends

Special Cash Dividend Per Share

$1.00

$2.50

$0.50

Declaration Date

June 20, 2012

November 14, 2012

December 11, 2012

Holders of Record Date

July 2, 2012

November 27, 2012

December 21, 2012

Payment Date

July 16, 2012

December 11, 2012

December 28, 2012

Total Dividend

13,804

34,551

6,910

Income Taxes (Tables)

6 Months Ended

Jun. 30, 2013

Income Tax Disclosure [Abstract]

Open Tax Years for Each Major Jurisdiction

The following table summarizes the open tax years for each major jurisdiction:


Jurisdiction	Open Tax Years
United States Federal		2002—2012
Canada		2004—2012
United Kingdom		2004—2012
Netherlands		2007—2012

Fair Value of Financial Instruments and Derivatives (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value Disclosures [Abstract]

Summary of Company's Financial Instruments Accounted for at Fair Value on Recurring Basis

See the table below for a summary of the Company’s financial instruments accounted for at fair value on a recurring basis:

Fair Value as of June 30, 2013, using:

Quoted prices

Significant

in Active

Other

Significant

Markets for

Observable

Unobservable

Identical Assets

Inputs

June 30, 2013

(Level 1)

(Level 2)

(Level 3)

Liabilities:

Contingent Value Rights (CVRs)

—

Total

—

Fair Value as of December 31, 2012, using:

Quoted prices

Significant

in Active

Other

Significant

Markets for

Observable

Unobservable

Identical Assets

Inputs

December 31, 2012

(Level 1)

(Level 2)

(Level 3)

Liabilities:

Contingent Value Rights (CVRs)

14,904

—

14,904

—

Total

14,904

—

14,904

—

Summary of Company's Financial Instruments Accounted for at Fair Value on Nonrecurring Basis

See the table below for a summary of the Company’s financial instruments accounted for at fair value on a nonrecurring basis:


			Fair Value as of June 30, 2013, using:
			Quoted prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
	June 30, 2013		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	—		—		—		—
Trade names		—		—		—		—
Net assets held for sale		138,217		—		—		138,217

Total	$	138,217		—		—		138,217


			Fair Value as of December 31, 2012, using:
			Quoted prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
	December 31, 2012		(Level 1)		(Level 2)		(Level 3)
Assets:
Goodwill	$	60,744		—		—		60,744
Trade names		27,000		—		—		27,000
Net assets held for sale		15,762		—		—		15,762

Total	$	103,506		—		—		103,506

Discontinued Operations (Tables)

6 Months Ended

Jun. 30, 2013

Discontinued Operations And Disposal Groups [Abstract]

Summarized Operating Results of Discontinued Operations

Summarized operating results of the discontinued operations are as follows (in thousands):


	Three Months Ended			Three Months Ended			Six Months Ended			Six Months Ended
	June 30, 2013			June 30, 2012			June 30, 2013			June 30, 2012
Net revenue	$	108,937		$	182,667		$	228,609		$	417,359
Operating expenses		106,464			186,518			220,565			411,572

Income (loss) from operations		2,473			(3,851	)		8,044			5,787
Interest expense		(4,266	)		(7,215	)		(8,515	)		(14,398	)
Interest income and other income (expense)		(22	)		190			(58	)		347
Foreign currency transaction gain (loss)		(780	)		(5,628	)		(972	)		(2,758	)

Income (loss) before income tax		(2,595	)		(16,504	)		(1,501	)		(11,022	)
Income tax (expense) benefit		(359	)		(5,312	)		(298	)		(5,157	)

Income (loss) from discontinued operations	$	(2,954	)	$	(21,816	)	$	(1,799	)	$	(16,179	)


					North America
	ICS				Telecom
	June 30,		December 31,		June 30,
	2013		2012		2013
Accounts receivable	$	18,133	$	16,070	$	14,593
Prepaid expenses and other current assets		3,421		4,196		6,131
Restricted cash		253		487		808
Long-lived assets		19,930		19,313		142,507

Assets held for sale	$	41,737	$	40,066	$	164,039

Accounts payable	$	8,582	$	10,580	$	9,554
Accrued interconnection costs		6,641		6,961		2,289
Accrued expenses and other liabilities		6,117		6,763		34,376

Liabilities held for sale	$	21,340	$	24,304	$	46,219

- Definition

Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal.

+ References + Details

Basic and Diluted Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2013

Earnings Per Share [Abstract]

Basic Income (Loss) Per Common Share to Diluted Income (Loss) Per Common Share

A calculation of basic income (loss) per common share to diluted income (loss) per common share is set forth below (in thousands, except per share amounts):


	Three Months Ended			Three Months Ended			Six Months Ended			Six Months Ended
	June 30, 2013			June 30, 2012			June 30, 2013			June 30, 2012
Income (loss) from continuing operations, net of tax	$	5,267		$	(7,991	)	$	900		$	(20,486	)
Income (loss) from discontinued operations, net of tax		(2,954	)		(21,816	)		(1,799	)		(16,179	)
Gain (loss) from sale of discontinued operations, net of tax		135,045			98,666			135,045			98,666

Net income (loss) attributable to Primus Telecommunications Group, Incorporated-basic	$	137,358		$	68,859		$	134,146		$	62,001

Net income (loss) attributable to Primus Telecommunications Group, Incorporated-diluted	$	137,358		$	68,859		$	134,146		$	62,001

Weighted average common shares outstanding-basic		13,972			13,839			13,941			13,791

Weighted average common shares outstanding-diluted		14,436			13,839			14,404			13,791

Basic income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$	0.38		$	(0.58	)	$	0.06		$	(1.49	)
Income (loss) from discontinued operations		(0.21	)		(1.58	)		(0.13	)		(1.17	)
Gain (loss) from sale of discontinued operations		9.66			7.13			9.69			7.15

Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$	9.83		$	4.97		$	9.62		$	4.49

Diluted income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$	0.36		$	(0.58	)	$	0.06		$	(1.49	)
Income (loss) from discontinued operations		(0.20	)		(1.58	)		(0.12	)		(1.17	)
Gain (loss) from sale of discontinued operations		9.35			7.13			9.37			7.15

Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$	9.51		$	4.97		$	9.31		$	4.49

Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2013	Jul. 31, 2012	Jul. 02, 2012	Jul. 01, 2009
Globility Communications Corporation [Member]
Related Party Transaction [Line Items]
Percentage ownership through direct and indirect ownership structures		45.60%
Globility Canada [Member]
Related Party Transaction [Line Items]
Purchase of Globility in Canada		54.40%
Contingent Value Rights ("CVRs") [Member]
Related Party Transaction [Line Items]
Total common stock shares issued			3,657,157	2,665,000
Price per common stock shares issued			$ 26.20	$ 35.95
Estimated fair value recorded in "other liabilities"				$ 2.6
Fiber Optic and Submarine Cable [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Estimated useful lives of property and equipment	8 years
Fiber Optic and Submarine Cable [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Estimated useful lives of property and equipment	25 years
Network Equipment [Member] \| Minimum [Member]
Related Party Transaction [Line Items]
Estimated useful lives of property and equipment	5 years
Network Equipment [Member] \| Maximum [Member]
Related Party Transaction [Line Items]
Estimated useful lives of property and equipment	8 years
Furniture and Equipment [Member]
Related Party Transaction [Line Items]
Estimated useful lives of property and equipment	5 years

Goodwill and Other Intangible Assets - Intangible Assets Not Subject to Amortization (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill		$ 60,744
Trade names		$ 27,000

Goodwill and Other Intangible Assets - Intangible Assets Not Subject to Amortization (Parenthetical) (Detail) - USD ($) $ in Millions	Jun. 30, 2013	Dec. 31, 2012
Non Amortizable Goodwill [Member]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Non reflected portion of goodwill	$ 42.9	$ 3.4
Non-amortizable Trade Names [Member]
Schedule Of Goodwill And Other Intangible Assets [Line Items]
Non reflected portion of goodwill	$ 27.0

Goodwill and Other Intangible Assets - Goodwill (Detail) $ in Thousands	6 Months Ended
	Jun. 30, 2013 USD ($)
Goodwill [Line Items]
Goodwill, Beginning Balance	$ 60,744
Effect of change in foreign currency exchange rates	(1,001)
Disposition of business	(20,221)
Allocation to disposal group	(39,522)
Goodwill, Ending Balance
United States [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	26,582
Effect of change in foreign currency exchange rates
Disposition of business
Allocation to disposal group	(26,582)
Goodwill, Ending Balance
Canada [Member]
Goodwill [Line Items]
Goodwill, Beginning Balance	34,162
Effect of change in foreign currency exchange rates	(1,001)
Disposition of business	(20,221)
Allocation to disposal group	(12,940)
Goodwill, Ending Balance

Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Indefinite-lived Intangible Assets [Line Items]
Goodwill		$ 60,744
BLACKIRON Data [Member]
Indefinite-lived Intangible Assets [Line Items]
Goodwill	$ 20,200

Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		$ 97,642
Accumulated Amortization		(61,618)
Net Book Value		36,024
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		3,500
Accumulated Amortization		(1,140)
Net Book Value		2,360
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount		94,142
Accumulated Amortization		(60,478)
Net Book Value		$ 33,664

Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Parenthetical) (Detail) $ in Millions	Jun. 30, 2013 USD ($)
Trade names [Member]
Finite-Lived Intangible Assets [Line Items]
Non reflected portion of net book values of customer relationships	$ 2.2
Customer relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Non reflected portion of net book values of customer relationships	$ 24.2

Long-Term Obligations - Long-Term Obligations (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Obligations under capital leases and other		$ 101
Subtotal	$ 126,850	127,783
Original issue discount on Senior Secured Notes	(598)	(671)
Subtotal	126,252	127,112
Less: Current portion of long-term obligations	(126,252)	(66)
Total long-term obligations		127,046
13% Senior Secured Notes due 2016 [Member]
Debt Instrument [Line Items]
Senior Secured Notes	1,571	2,403
10% Senior Secured Notes due 2017 [Member]
Debt Instrument [Line Items]
Senior Secured Notes	12,692	12,692
10% Senior Secured Exchange Notes due 2017 [Member]
Debt Instrument [Line Items]
Senior Secured Notes	$ 112,587	$ 112,587

Long-Term Obligations - Long-Term Obligations (Parenthetical) (Detail)	6 Months Ended
	Jun. 30, 2013
13% Senior Secured Notes due 2016 [Member]
Debt Instrument [Line Items]
Senior secured, percentage	13.00%
Senior Secured Notes Maturity Year	2016
10% Senior Secured Notes due 2017 [Member]
Debt Instrument [Line Items]
Senior secured, percentage	10.00%
Senior Secured Notes Maturity Year	2017
10% Senior Secured Exchange Notes due 2017 [Member]
Debt Instrument [Line Items]
Senior secured, percentage	10.00%
Senior Secured Notes Maturity Year	2017

Long-Term Obligations - Contractual Payments of Principal and Interest for Company's Long-Term Obligations (Detail) $ in Thousands	Jun. 30, 2013 USD ($)
Debt Instrument [Line Items]
2013
2014
2015
2016
2017
Thereafter
Total minimum principal & interest payments
Less: Amount representing interest
Total long-term obligations
2013	131,591
2014
2015
2016
2017
Thereafter
Total minimum principal & interest payments	131,591
Less: Amount representing interest	(4,741)
Total long-term obligations	126,850
13% Senior Secured Notes due 2016 [Member]
Debt Instrument [Line Items]
2013	1,614
2014
2015
2016
2017
Thereafter
Total minimum principal & interest payments	1,614
Less: Amount representing interest	(43)
Total long-term obligations	1,571
10% Senior Secured Notes due 2017 [Member]
Debt Instrument [Line Items]
2013	13,168
2014
2015
2016
2017
Thereafter
Total minimum principal & interest payments	13,168
Less: Amount representing interest	(476)
Total long-term obligations	12,692
10% Senior Secured Exchange Notes due 2017 [Member]
Debt Instrument [Line Items]
2013	116,809
2014
2015
2016
2017
Thereafter
Total minimum principal & interest payments	116,809
Less: Amount representing interest	(4,222)
Total long-term obligations	$ 112,587

Long-Term Obligations - Additional Information (Detail)	1 Months Ended		3 Months Ended	6 Months Ended
Long-Term Obligations - Additional Information (Detail)	Dec. 19, 2012 USD ($)	Nov. 14, 2012 USD ($)	Sep. 30, 2011 USD ($)	Jun. 30, 2013 USD ($) $ / PrincipalAmount	Dec. 31, 2012 USD ($)	Sep. 17, 2012 USD ($)	Dec. 31, 2011 USD ($)
Debt Instrument [Line Items]
Redemption date of Senior Notes				Aug. 30, 2013
Restructuring of debt			$ 6,900,000
Percentage of redemption from aggregate principal amount				100.00%
Non U S subsidiaries [Member]
Debt Instrument [Line Items]
Capital stock held by foreign subsidiary				65.00%
14 1/4% Senior Subordinated Secured Notes due 2013 [Member]
Debt Instrument [Line Items]
Senior Secured Notes				14.25%
13% Senior Secured Notes due 2016 [Member]
Debt Instrument [Line Items]
Redemption date of Senior Notes				Dec. 16, 2016
Principal amount outstanding				$ 2,400,000
Principal amount of Senior Notes \| $ / PrincipalAmount				1,000
Senior Secured Notes				13.00%
Instalment period of Notes payable in cash				June 15 and December 15 of each year
Cash deposited with trustee				$ 2,700,000
Principal amount outstanding and Aggregate principal amount exchanged				1,571,000	$ 2,403,000
13% Senior Secured Notes due 2016 [Member] \| Primus Telecommunications Canada Inc [Member]
Debt Instrument [Line Items]
Principal amount outstanding				$ 800,000
Principal amount of Senior Notes \| $ / PrincipalAmount				346.15
13% Senior Secured Notes due 2016 [Member] \| Primus Telecommunications Holding, Inc. [Member]
Debt Instrument [Line Items]
Principal amount of Senior Notes \| $ / PrincipalAmount				653.85
10% Senior Secured Notes due 2017 [Member]
Debt Instrument [Line Items]
Redemption date of Senior Notes				Apr. 15, 2017
Senior Secured Notes				10.00%
Aggregate principal amount issued	$ 25,700,000	$ 86,900,000		$ 240,200,000
Aggregate principal amount issued pursuant to Exchange Offers				228,600,000
Aggregate principal amount exchanged pursuant				$ 11,600,000
Repurchase of Notes at a purchase price				100.00%
Selling of notes at a purchase price				100.00%
Aggregate principal amount						$ 119,000,000	$ 5,000,000
Purchase price in cash						109.00%
Premiums and other costs				$ 10,900,000
Deferred financing costs				9,500,000
Original issue discount included in gain (loss) on early extinguishment or restructuring of debt				700,000
Percentage of face value							99.00%
Premium paid to exchanging holders				9,100,000
Principal amount outstanding and Aggregate principal amount exchanged				$ 12,692,000	12,692,000
10% Senior Secured Exchange Notes due 2017 [Member]
Debt Instrument [Line Items]
Senior Secured Notes				10.00%
Aggregate principal amount exchanged	$ 23,800,000	$ 79,700,000
Restricted payment on notes				$ 50,000,000
Principal amount outstanding and Aggregate principal amount exchanged				112,587,000	$ 112,587,000
Ten Percentage Senior Secured Notes And Exchange Notes Due Two Thousand Seventeen [Member]
Debt Instrument [Line Items]
Cash deposited with trustee				$ 130,800,000

Commitments and Contingencies - Purchase Obligations and Non-Cancellable Operating Leases, Including Continuing Obligations of Discontinued Operations (Detail) $ in Thousands	Jun. 30, 2013 USD ($)
Purchase Obligations
2013 (as of June 30, 2013)	$ 2,511
2014	4,217
2015	403
2016	362
2017	362
Thereafter	906
Total long-term obligations	8,761
Operating Leases
2013 (as of June 30, 2013)	4,160
2014	6,636
2015	5,017
2016	4,130
2017	3,653
Thereafter	7,000
Total long-term obligations	$ 30,596

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Commitments And Contingencies Disclosure [Abstract]
Purchase commitments	$ 2.5	$ 4.7

Share-Based Compensation - Additional Information (Detail) - USD ($)	1 Months Ended		3 Months Ended		6 Months Ended
	Apr. 26, 2013	Apr. 17, 2013	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted					40,000	40,000
Share-based compensation expense recognized			$ 1,000,000	$ 2,400,000	$ 1,500,000	$ 4,100,000
Options exercised					10,000
Intrinsic Value					$ 35,000
RSU [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested outstanding			115,879		115,879		286,208
Compensation expense			$ 800,000		$ 800,000
Weighted average remaining period					1 year 1 month 6 days
Unvested shares expected to vest			100,000		100,000
RSUs awarded to certain employees, Vesting	41,586	8,606
Stock Options and Stock Appreciation Rights [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted					40,000
Weighted average remaining period					1 year 3 months 18 days
Unvested stock options and stock appreciation rights outstanding			63,000		63,000
Compensation expense			$ 200,000		$ 200,000
Unvested shares expected to vest			57,000		57,000
Weighted average remaining life					7 years 7 months 6 days
Weighted average exercise price			$ 9.64		$ 9.64
Intrinsic value			$ 61,000		$ 61,000
Options exercised					10,344

Share-Based Compensation - Summary of Company's Restricted Stock Units (Detail) - RSU [Member]	6 Months Ended
	Jun. 30, 2013 $ / shares shares
Summary of Company's restricted stock units, Shares
Shares, Beginning Balance, Unvested \| shares	286,208
Shares, Granted \| shares	20,000
Shares, Vested \| shares	(190,247)
Shares, Forfeitures \| shares	(82)
Shares, Ending Balance, Unvested \| shares	115,879
Summary of Company's restricted stock units, Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Unvested, Beginning balance \| $ / shares	$ 12.91
Weighted Average Grant Date Fair Value, Granted \| $ / shares	11.89
Weighted Average Grant Date Fair Value, Vested \| $ / shares	11.91
Weighted Average Grant Date Fair Value, Forfeitures \| $ / shares	15.6
Weighted Average Grant Date Fair Value, Unvested, Ending balance \| $ / shares	$ 14.39

Share-Based Compensation - Summary of Company's Stock Options and Stock Appreciation Rights (Detail) - $ / shares	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Summary of Company's stock options and stock appreciation rights, Shares
Shares, Granted	40,000	40,000
Shares, Exercised	(10,000)
Stock Options and Stock Appreciation Rights [Member]
Summary of Company's stock options and stock appreciation rights, Shares
Shares Outstanding, Beginning Balance	212,244
Shares, Granted	40,000
Shares, Exercised	(10,344)
Shares, Forfeitures	(1,982)
Shares Outstanding, Ending Balance	239,918
Shares, Eligible for exercise	177,031
Summary of Company's stock options and stock appreciation rights, Weighted Average Exercise Price
Weighted Average Exercise Price, Outstanding, Beginning Balance	$ 9.24
Weighted Average Exercise Price, Granted	11.89
Weighted Average Exercise Price, Exercised	8.91
Weighted Average Exercise Price, Forfeitures	8.91
Weighted Average Exercise Price, Outstanding, Ending Balance	9.70
Weighted Average Exercise Price, Eligible for exercise	$ 9.20

Share-Based Compensation - Intrinsic Values and Remaining Contractual Terms of Company's Stock Options and Stock Appreciation Rights (Detail)	6 Months Ended
	Jun. 30, 2013 USD ($)
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Intrinsic Value, Options outstanding	$ 571,690
Intrinsic Value, Options exercisable	$ 510,522
Weighted Average Remaining Life in Years, Options outstanding	7 years 7 months 6 days
Weighted Average Remaining Life in Years, Options exercisable	7 years 1 month 6 days

Stockholders' Equity - Additional Information (Detail) $ / shares in Units, $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Jul. 01, 2009 $ / shares $ / Warrant shares	Jun. 30, 2013 USD ($) $ / shares shares	Dec. 31, 2012 $ / shares shares
Common stock, shares outstanding		14,000,095	13,933,529
Expiry date of Warrants	Jul. 01, 2014
Trading days	10 days
Weighted average price of common stock exceeding exercise price	150.00%
Percentage cash dividend from net income		45.00%
Warrants exercised		8,700
Dividend equivalent amount of each Dividend per RSU or share of restricted stock \| $		$ 1.3
Contingent Value Rights (CVRs) [Member]
Shares issued to contingent value rights	2,665,000
Strike price \| $ / shares	$ 35.95
Decrease in Strike Price per share \| $ / shares			$ 26.20
Increase in number of Shares			3,657,157
Class A-1 [Member]
Number of warrants entitled for purchase	1,000,000
Exercise price per share \| $ / Warrant	12.22
Decrease in exercise price per share \| $ / shares		$ 8.91
Increase in number of warrants entitled for purchase		1,370,735
Common Class A 2 [Member]
Number of warrants entitled for purchase	1,000,000
Exercise price per share \| $ / Warrant	16.53
Decrease in exercise price per share \| $ / shares		$ 12.05
Increase in number of warrants entitled for purchase		1,372,293
Common Class A3 [Member]
Number of warrants entitled for purchase	1,000,000
Exercise price per share \| $ / Warrant	20.50
Decrease in exercise price per share \| $ / shares		$ 14.93
Increase in number of warrants entitled for purchase		1,372,293
Class A Warrants [Member]
Aggregate amount of common stock	1,000,000
Class B Warrants [Member]
Aggregate amount of common stock	1,500,000
Exercise price per share \| $ / Warrant	26.01
Decrease in exercise price per share \| $ / shares		$ 18.96
Increase in number of warrants entitled for purchase		2,058,438

Stockholders' Equity - Summary of Special Cash Dividends (Detail) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2013 USD ($) $ / shares
$1.00 Special Cash Dividend Per Share [Member]
Dividends Payable [Line Items]
Special Cash Dividend Per Share \| $ / shares	$ 1.00
Declaration Date	Jun. 20, 2012
Holders of Record Date	Jul. 02, 2012
Payment Date	Jul. 16, 2012
Total Dividend \| $	$ 13,804
$2.50 Special Cash Dividend Per Share [Member]
Dividends Payable [Line Items]
Special Cash Dividend Per Share \| $ / shares	$ 2.50
Declaration Date	Nov. 14, 2012
Holders of Record Date	Nov. 27, 2012
Payment Date	Dec. 11, 2012
Total Dividend \| $	$ 34,551
$0.50 Special Cash Dividend Per Share [Member]
Dividends Payable [Line Items]
Special Cash Dividend Per Share \| $ / shares	$ 0.50
Declaration Date	Dec. 11, 2012
Holders of Record Date	Dec. 21, 2012
Payment Date	Dec. 28, 2012
Total Dividend \| $	$ 6,910

Income Taxes - Open Tax Years for Each Major Jurisdiction (Detail)	6 Months Ended
	Jun. 30, 2013
United States [Member]
Income Tax Contingency [Line Items]
Open tax years beginning	2002
Open tax years ending	2012
Canada [Member]
Income Tax Contingency [Line Items]
Open tax years beginning	2004
Open tax years ending	2012
United Kingdom [Member]
Income Tax Contingency [Line Items]
Open tax years beginning	2004
Open tax years ending	2012
Netherlands [Member]
Income Tax Contingency [Line Items]
Open tax years beginning	2007
Open tax years ending	2012

Income Taxes - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2013 USD ($)
Income Taxes Disclosure [Line Items]
Gross unrecognized tax benefits	$ 66.2
Annual limitation on ownership change	7.0
Additional annual limitations to NOL	1.6
Arbinet Corporation Acquisition [Member]
Income Taxes Disclosure [Line Items]
Net operating loss carryforwards subject to annual limitation	$ 2.2

Fair Value of Financial Instruments and Derivatives - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated aggregate fair value of the Company's debt, based on quoted market prices	$ 128,200,000		$ 128,200,000		$ 125,400,000
Aggregate carrying value of the Company's debt	126,300,000		126,300,000		$ 127,000,000
CVRs expired and the fair value was marked	0		0
Expense (Income) recognized	(14,792,000)	$ (2,039,000)	(14,904,000)	$ 5,151,000
Contingent Value Rights (CVRs) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Expected life				7 years
Risk-free rate				1.11%
Expected volatility				47.97%
Dividend yield				0.00%
Exercise price		$ 35.95		$ 35.95
Stock price		$ 15.57		$ 15.57
Expense (Income) recognized	$ (14,800,000)	$ (2,000,000)	$ (14,900,000)	$ 5,200,000

Fair Value of Financial Instruments and Derivatives - Summary of Company's Financial Instruments Accounted for at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total		$ 14,904
Fair Value on a Recurring Basis [Member] \| Contingent Value Rights (CVRs) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total		14,904
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Fair Value on a Recurring Basis [Member] \| Contingent Value Rights (CVRs) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total		14,904
Significant Other Observable Inputs (Level 2) [Member] \| Fair Value on a Recurring Basis [Member] \| Contingent Value Rights (CVRs) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total		14,904
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total
Significant Unobservable Inputs (Level 3) [Member] \| Fair Value on a Recurring Basis [Member] \| Contingent Value Rights (CVRs) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total

Fair Value of Financial instruments and Derivatives - Summary of Company's Financial Instruments Accounted for at Fair Value on Nonrecurring Basis (Detail) - USD ($) $ in Thousands	Jun. 30, 2013	Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill		$ 60,744
Trade names		27,000
Total	138,217	103,506
Fair Value on a Nonrecurring Basis [Member] \| Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill		60,744
Fair Value on a Nonrecurring Basis [Member] \| Trade names [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trade names		27,000
Fair Value on a Nonrecurring Basis [Member] \| Net Assets Held for Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets held for sale	138,217	15,762
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Trade names [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trade names
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Net Assets Held for Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets held for sale
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total
Significant Other Observable Inputs (Level 2) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill
Significant Other Observable Inputs (Level 2) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Trade names [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trade names
Significant Other Observable Inputs (Level 2) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Net Assets Held for Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets held for sale
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total	138,217	103,506
Significant Unobservable Inputs (Level 3) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Goodwill		60,744
Significant Unobservable Inputs (Level 3) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Trade names [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Trade names		27,000
Significant Unobservable Inputs (Level 3) [Member] \| Fair Value on a Nonrecurring Basis [Member] \| Net Assets Held for Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Net assets held for sale	$ 138,217	$ 15,762

Discontinued Operations - Additional Information (Detail) $ in Thousands, $ in Millions, $ in Millions	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2013 USD ($)	Dec. 31, 2012 USD ($)	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($)	Jun. 30, 2012 USD ($)	Dec. 31, 2012 USD ($)	Jun. 30, 2013 CAD ($)	Apr. 17, 2013 USD ($)	Apr. 17, 2013 CAD ($)	May 31, 2012 USD ($)	May 31, 2012 AUD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain from sale of discontinued operations, net of tax	$ 135,045		$ 98,666	$ 135,045	$ 98,666
Amount released from escrow		$ 5,400
Net gain						$ 94,300
Attributed adjustment to the long-lived assets of ICS			10,300
M2 [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amount released from escrow		$ 4,400
Primus Australian [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Outstanding equity value										$ 195,700	$ 192.4
Gain from sale of discontinued operations, net of tax			98,600
Proceeds from sale placed in escrow			$ 9,800		$ 9,800
BLACKIRON Data [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Outstanding equity value								$ 195,600	$ 200.0
Gain from sale of discontinued operations, net of tax				135,000
Proceeds from sale placed in escrow	19,500			19,500			$ 20.0
North America Telecom [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price of outstanding placed in escrow				129,000
Idemnification obligation	12,900			12,900
Purchase consideration placed in escrow	6,450			$ 6,450
Period of escrow to be released after closing date				14 months
North America Telecom [Member] \| Working Capital Adjustment [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase consideration placed in escrow	4,000			$ 4,000
North America Telecom [Member] \| Income Tax Related Liabilities [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Purchase consideration placed in escrow	$ 4,800			$ 4,800
Period of escrow to be released after closing date				30 days

Discontinued Operations - Summarized Operating Results of Discontinued Operations (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Statement by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenue	$ 108,937	$ 182,667	$ 228,609	$ 417,359
Operating expenses	106,464	186,518	220,565	411,572
Income (loss) from operations	2,473	(3,851)	8,044	5,787
Interest expense	(4,266)	(7,215)	(8,515)	(14,398)
Interest income and other income (expense)	(22)	190	(58)	347
Foreign currency transaction gain (loss)	(780)	(5,628)	(972)	(2,758)
Income (loss) before income tax	(2,595)	(16,504)	(1,501)	(11,022)
Income tax (expense) benefit	(359)	(5,312)	(298)	(5,157)
Income (loss) from discontinued operations	(2,954)	$ (21,816)	(1,799)	$ (16,179)
Summarized assets and liabilities classified as held for sale
Assets held for sale	205,776		205,776		$ 40,066
Liabilities held for sale	67,559		67,559		24,304
International Carrier Services [Member]
Summarized assets and liabilities classified as held for sale
Accounts receivable	18,133		18,133		16,070
Prepaid expenses and other current assets	3,421		3,421		4,196
Restricted cash	253		253		487
Long-lived assets	19,930		19,930		19,313
Assets held for sale	41,737		41,737		40,066
Accounts payable	8,582		8,582		10,580
Accrued interconnection costs	6,641		6,641		6,961
Accrued expenses and other liabilities	6,117		6,117		6,763
Liabilities held for sale	21,340		21,340		$ 24,304
North America Telecom [Member]
Summarized assets and liabilities classified as held for sale
Accounts receivable	14,593		14,593
Prepaid expenses and other current assets	6,131		6,131
Restricted cash	808		808
Long-lived assets	142,507		142,507
Assets held for sale	164,039		164,039
Accounts payable	9,554		9,554
Accrued interconnection costs	2,289		2,289
Accrued expenses and other liabilities	34,376		34,376
Liabilities held for sale	$ 46,219		$ 46,219

Basic and Diluted Income (Loss) Per Common Share - Additional Information (Detail) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive common share		0		0
Stock Compensation Plan [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	200,000	500,000	200,000	500,000
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	300,000	4,500,000	300,000	4,500,000
Contingent Value Rights (CVRs) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share		2,700,000		2,700,000

Basic and Diluted Income (Loss) Per Common Share - Basic Income (Loss) Per Common Share to Diluted Income (Loss) Per Common Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Income (loss) from continuing operations, net of tax	$ 5,267	$ (7,991)	$ 900	$ (20,486)
INCOME (LOSS) FROM DISCONTINUED OPERATIONS, net of tax	(2,954)	(21,816)	(1,799)	(16,179)
Gain (loss) from sale of discontinued operations, net of tax	135,045	98,666	135,045	98,666
Net income (loss) attributable to Primus Telecommunications Group, Incorporated-basic	137,358	68,859	134,146	62,001
Net income (loss) attributable to Primus Telecommunications Group, Incorporated-diluted	$ 137,358	$ 68,859	$ 134,146	$ 62,001
Weighted average common shares outstanding-basic	13,972	13,839	13,941	13,791
Weighted average common shares outstanding-diluted	14,436	13,839	14,404	13,791
Basic income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	$ 0.38	$ (0.58)	$ 0.06	$ (1.49)
Income (loss) from discontinued operations	(0.21)	(1.58)	(0.13)	(1.17)
Gain (loss) from sale of discontinued operations	9.66	7.13	9.69	7.15
Net income (loss) attributable to Primus Telecommunications Group, Incorporated	9.83	4.97	9.62	4.49
Diluted income (loss) per common share:
Income (loss) from continuing operations attributable to Primus Telecommunications Group, Incorporated	0.36	(0.58)	0.06	(1.49)
Income (loss) from discontinued operations	(0.20)	(1.58)	(0.12)	(1.17)
Gain (loss) from sale of discontinued operations	9.35	7.13	9.37	7.15
Net income (loss) attributable to Primus Telecommunications Group, Incorporated	$ 9.51	$ 4.97	$ 9.31	$ 4.49

Subsequent Events - Additional Information (Detail)	1 Months Ended		6 Months Ended
Subsequent Events - Additional Information (Detail)	Aug. 07, 2013 $ / shares	Jul. 31, 2013 USD ($) shares	Jun. 30, 2013 USD ($) shares	Jul. 31, 2013 CAD ($) shares	Dec. 31, 2012 shares	Sep. 17, 2012 USD ($)	Dec. 31, 2011 USD ($)
Subsequent Event [Line Items]
Redemption date of Senior Notes			Aug. 30, 2013
Ten Percentage Senior Secured Notes And Exchange Notes Due Two Thousand Seventeen [Member]
Subsequent Event [Line Items]
Cash deposited with trustee			$ 130,800,000
13% Senior Secured Notes due 2016 [Member]
Subsequent Event [Line Items]
Redemption date of Senior Notes			Dec. 16, 2016
Cash deposited with trustee			$ 2,700,000
Aggregate principal amount			$ 2,400,000
10% Senior Secured Notes due 2017 [Member]
Subsequent Event [Line Items]
Redemption date of Senior Notes			Apr. 15, 2017
Aggregate principal amount exchanged						$ 119,000,000	$ 5,000,000
RSU [Member]
Subsequent Event [Line Items]
Vesting shares held \| shares			115,879		286,208
Subsequent Event [Member]
Subsequent Event [Line Items]
Purchase agreement, amount to be paid on initial closing		$ 126,000,000
Redemption date of Senior Notes		Aug. 30, 2013
Severance benefits				$ 1,201,589
Dividend accrued for Vesting shares		$ 69,472
Dividend payable per share, amount \| $ / shares	$ 8.50
Dividend payable declared date	Aug. 07, 2013
Dividend payable date to be paid	Aug. 27, 2013
Dividend payable Record Date	Aug. 20, 2013
Subsequent Event [Member] \| Ten Percentage Senior Secured Notes And Exchange Notes Due Two Thousand Seventeen [Member]
Subsequent Event [Line Items]
Cash deposited with trustee		130,800,000
Aggregate principal amount		$ 125,300,000
Subsequent Event [Member] \| 13% Senior Secured Notes due 2016 [Member]
Subsequent Event [Line Items]
Redemption date of Senior Notes		Aug. 30, 2013
Cash deposited with trustee		$ 2,700,000
Aggregate principal amount		2,400,000
Subsequent Event [Member] \| 10% Senior Secured Notes due 2017 [Member]
Subsequent Event [Line Items]
Aggregate principal amount		$ 12,700,000
Percentage of redemption price		106.50%
Subsequent Event [Member] \| 10% Senior Secured Exchange Notes due 2017 [Member]
Subsequent Event [Line Items]
Percentage of redemption price		100.00%
Aggregate principal amount exchanged		$ 112,600,000
Subsequent Event [Member] \| RSU [Member]
Subsequent Event [Line Items]
Vesting shares held \| shares		17,368		17,368