(4) GOODWILL AND OTHER INTANGIBLE ASSETS	3 Months Ended
Mar. 31, 2012
Goodwill and Intangible Assets Disclosure [Text Block]	(4) GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill The Company’s goodwill balance relates to the purchase of NTN Canada. The Company performed its annual test for goodwill impairment for NTN Canada as of September 30, 2011 and determined that there were no indications of impairment at that time. The Company considered the need to perform an additional test of goodwill of its Canadian business as of March 31, 2012, but determined that the overall health of the underlying Canadian business has remained stable since the September 30, 2011 valuation. Other Intangible Assets The Company has intangible assets comprised predominantly of a customer list from the Stump! Trivia asset acquisition in 2011, unpatented technology and customer relationships from asset acquisitions during 2009, developed technology, trivia databases and trademarks. All intangible assets are amortized on a straight line basis. The useful lives of the assets reflect the estimated period of time and method by which the underlying intangible asset benefits will be realized. Amortization expense relating to all intangible assets totaled $93,000 and $101,000 for the three months ended March 31, 2012 and 2011, respectively.

- 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.

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