BASIS OF PRESENTATION (Policies)	6 Months Ended
Jun. 30, 2012
Basis Of Presentation Policies
Description of Business	The accompanying unaudited interim condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) for interim financial statements and with the instructions to Form 10-Q and Article 8 of Regulation S-X.Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying condensed consolidated financial statements include all adjustments that are necessary, which are of a normal and recurring nature, for a fair presentation for the periods presented of the financial position, results of operations and cash flows of the Company and its wholly-owned subsidiaries: IWN, Inc., IWN, L.P., Buzztime Entertainment, Inc., NTN Wireless Communications, Inc., NTN Software Solutions, Inc., NTN Canada, Inc., and NTN Buzztime, Ltd., all of which, other than NTN Canada, Inc., are dormant subsidiaries. All significant intercompany transactions have been eliminated in consolidation. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto contained in the Company’s annual report on Form 10-K for the fiscal year ended December 31, 2011. The accompanying condensed balance sheet as of December 31, 2011 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by GAAP for complete financial statements. The results of operations for the three and six months ended June 30, 2012 are not necessarily indicative of the results to be anticipated for the entire year ending December 31, 2012, or any other period. The United States dollar is the Company’s functional currency, except for its operations in Canada where the functional currency is the Canadian dollar. The financial position and results of operations of the Company’s foreign subsidiaries are measured using the foreign subsidiary’s local currency as the functional currency. In accordance with ASC No. 830, Foreign Currency Matters, revenues and expenses of our foreign subsidiaries have been translated into U.S. dollars at weighted average exchange rates prevailing during the period. Assets and liabilities have been translated at the rates of exchange on the balance sheet date. The resulting translation gain and loss adjustments are recorded as a separate component of shareholders’ equity, unless there is a sale or complete liquidation of the underlying foreign investments. Transaction gains and losses that arise from exchange rate fluctuations on transactions denominated in a currency other than the functional currency are included in the results of operations as incurred. The Company recorded $14,000 in foreign currency gains and $26,000 in foreign currency losses for the three months ended June 30, 2012 and 2011, respectively, and $5,000 and $35,000 in foreign currency losses for the six months ended June 30, 2012 and 2011, respectively, due to settlements of intercompany transactions, re-measurement of intercompany balances with our Canadian subsidiary and other non-functional currency denominated transactions, which are included in other expense, net in the accompanying statements of operations.
Basis of Accounting Presentation	The accompanying unaudited interim condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) for interim financial statements and with the instructions to Form 10-Q and Article 8 of Regulation S-X.Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying condensed consolidated financial statements include all adjustments that are necessary, which are of a normal and recurring nature, for a fair presentation for the periods presented of the financial position, results of operations and cash flows of the Company and its wholly-owned subsidiaries: IWN, Inc., IWN, L.P., Buzztime Entertainment, Inc., NTN Wireless Communications, Inc., NTN Software Solutions, Inc., NTN Canada, Inc., and NTN Buzztime, Ltd., all of which, other than NTN Canada, Inc., are dormant subsidiaries. All significant intercompany transactions have been eliminated in consolidation. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto contained in the Company’s annual report on Form 10-K for the fiscal year ended December 31, 2011. The accompanying condensed balance sheet as of December 31, 2011 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by GAAP for complete financial statements. The results of operations for the three and six months ended June 30, 2012 are not necessarily indicative of the results to be anticipated for the entire year ending December 31, 2012, or any other period. The United States dollar is the Company’s functional currency, except for its operations in Canada where the functional currency is the Canadian dollar. The financial position and results of operations of the Company’s foreign subsidiaries are measured using the foreign subsidiary’s local currency as the functional currency. In accordance with ASC No. 830, Foreign Currency Matters, revenues and expenses of our foreign subsidiaries have been translated into U.S. dollars at weighted average exchange rates prevailing during the period. Assets and liabilities have been translated at the rates of exchange on the balance sheet date. The resulting translation gain and loss adjustments are recorded as a separate component of shareholders’ equity, unless there is a sale or complete liquidation of the underlying foreign investments. Transaction gains and losses that arise from exchange rate fluctuations on transactions denominated in a currency other than the functional currency are included in the results of operations as incurred. The Company recorded $14,000 in foreign currency gains and $26,000 in foreign currency losses for the three months ended June 30, 2012 and 2011, respectively, and $5,000 and $35,000 in foreign currency losses for the six months ended June 30, 2012 and 2011, respectively, due to settlements of intercompany transactions, re-measurement of intercompany balances with our Canadian subsidiary and other non-functional currency denominated transactions, which are included in other expense, net in the accompanying statements of operations.
Basic And Diluted Earnings Per Common Share	The Company computes basic and diluted earnings per common share in accordance with the provisions of ASC No. 260, Earnings per Share. Basic earnings per share excludes the dilutive effects of options, warrants and other convertible securities. Diluted earnings per share reflects the potential dilution of securities that could share in our earnings. Options, warrants, convertible preferred stock and deferred stock units representing approximately 7,677,000 and 9,661,000 shares of the Company’s common stock as of June 30, 2012 and 2011, respectively, were excluded from the computations of diluted net loss per common share as their effect was anti-dilutive.
Fair Value Of Financial Instruments	ASC No. 820, Fair Value Measurements and Disclosures, applies to certain assets and liabilities that are being measured and reported on a fair value basis. Broadly, the ASC No. 820 framework requires fair value to be determined based on the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants. ASC No. 820 also establishes a fair value hierarchy for ranking the quality and reliability of the information used to determine fair values. This hierarchy is as follows: Level 1: Quoted market prices in active markets for identical assets or liabilities. Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data. Level 3: Unobservable inputs that are not corroborated by market data.

BASIS OF PRESENTATION (Policies)

6 Months Ended

Jun. 30, 2012

The accompanying unaudited interim condensed financial statements have been prepared in accordance with accounting principles generally accepted in the United States (GAAP) for interim financial statements and with the instructions to Form 10-Q and Article 8 of Regulation S-X.Accordingly, they do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of management, the accompanying condensed consolidated financial statements include all adjustments that are necessary, which are of a normal and recurring nature, for a fair presentation for the periods presented of the financial position, results of operations and cash flows of the Company and its wholly-owned subsidiaries: IWN, Inc., IWN, L.P., Buzztime Entertainment, Inc., NTN Wireless Communications, Inc., NTN Software Solutions, Inc., NTN Canada, Inc., and NTN Buzztime, Ltd., all of which, other than NTN Canada, Inc., are dormant subsidiaries. All significant intercompany transactions have been eliminated in consolidation.

These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto contained in the Company’s annual report on Form 10-K for the fiscal year ended December 31, 2011. The accompanying condensed balance sheet as of December 31, 2011 has been derived from the audited financial statements at that date but does not include all of the information and footnotes required by GAAP for complete financial statements. The results of operations for the three and six months ended June 30, 2012 are not necessarily indicative of the results to be anticipated for the entire year ending December 31, 2012, or any other period.

The United States dollar is the Company’s functional currency, except for its operations in Canada where the functional currency is the Canadian dollar. The financial position and results of operations of the Company’s foreign subsidiaries are measured using the foreign subsidiary’s local currency as the functional currency. In accordance with ASC No. 830, Foreign Currency Matters, revenues and expenses of our foreign subsidiaries have been translated into U.S. dollars at weighted average exchange rates prevailing during the period. Assets and liabilities have been translated at the rates of exchange on the balance sheet date. The resulting translation gain and loss adjustments are recorded as a separate component of shareholders’ equity, unless there is a sale or complete liquidation of the underlying foreign investments. Transaction gains and losses that arise from exchange rate fluctuations on transactions denominated in a currency other than the functional currency are included in the results of operations as incurred. The Company recorded $14,000 in foreign currency gains and $26,000 in foreign currency losses for the three months ended June 30, 2012 and 2011, respectively, and $5,000 and $35,000 in foreign currency losses for the six months ended June 30, 2012 and 2011, respectively, due to settlements of intercompany transactions, re-measurement of intercompany balances with our Canadian subsidiary and other non-functional currency denominated transactions, which are included in other expense, net in the accompanying statements of operations.

Basis of Accounting Presentation

Basic And Diluted Earnings Per Common Share

The Company computes basic and diluted earnings per common share in accordance with the provisions of ASC No. 260, Earnings per Share. Basic earnings per share excludes the dilutive effects of options, warrants and other convertible securities. Diluted earnings per share reflects the potential dilution of securities that could share in our earnings. Options, warrants, convertible preferred stock and deferred stock units representing approximately 7,677,000 and 9,661,000 shares of the Company’s common stock as of June 30, 2012 and 2011, respectively, were excluded from the computations of diluted net loss per common share as their effect was anti-dilutive.

Fair Value Of Financial Instruments

ASC No. 820, Fair Value Measurements and Disclosures, applies to certain assets and liabilities that are being measured and reported on a fair value basis. Broadly, the ASC No. 820 framework requires fair value to be determined based on the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants. ASC No. 820 also establishes a fair value hierarchy for ranking the quality and reliability of the information used to determine fair values. This hierarchy is as follows:

Level 1: Quoted market prices in active markets for identical assets or liabilities.

Level 2: Observable market based inputs or unobservable inputs that are corroborated by market data.

Level 3: Unobservable inputs that are not corroborated by market data.

- Definition

Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements.

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