Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value.

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The amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.

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Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Carrying amount as of the balance sheet date, which is the cumulative amount paid and (if applicable) the fair value of any noncontrolling interest in the acquiree, adjusted for any amortization recognized prior to the adoption of any changes in generally accepted accounting principles (as applicable) and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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GOODWILL AND PURCHASED INTANGIBLE ASSETS (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Nov. 08, 2010
Goodwill and intangible assets
Asset impairment charges	$ 3,043,000	$ 476,000
Goodwill		13,820,000
Purchased intangible assets
Net		3,625,000
iTV
Goodwill and intangible assets
Amount of intangible assets acquired			5,000,000
Amount of goodwill acquired			13,800,000
Estimated weighted-average life	4 years
Asset impairment charges	0	0
Amortizable intangible assets
Gross	4,955,000	4,955,000
Accumulated Amortization	(1,961,000)	(1,445,000)
Effect of ITV deconsolidation	(2,994,000)
Net		3,510,000
Purchased intangible assets
Gross	5,115,000	5,070,000
Effect of ITV deconsolidation	(3,154,000)
Net		3,625,000
iTV \| Domain Name
Unamortizable intangible assets
Gross and Net	160,000	115,000
Effect of ITV deconsolidation	(160,000)
iTV \| Technology Platform
Goodwill and intangible assets
Estimated fair value of amortizable intangible assets acquired			4,700,000
Amortizable intangible assets
Gross	4,708,000	4,708,000
Accumulated Amortization	(1,863,000)	(1,373,000)
Effect of ITV deconsolidation	(2,845,000)
Net		3,335,000
iTV \| Non-compete Agreements
Goodwill and intangible assets
Estimated fair value of amortizable intangible assets acquired			300,000
Amortizable intangible assets
Gross	247,000	247,000
Accumulated Amortization	(98,000)	(72,000)
Effect of ITV deconsolidation	(149,000)
Net		$ 175,000