Amount of gain (loss), after tax expense or benefit and not previously recognized, resulting from the sale of a business component.

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After tax income (loss) from operations of a business component (exclusive of any gain (loss) on disposal, or provision therefore) during the reporting period, until its disposal.

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- Definition

Provision recognizing a loss (after tax benefit) for initial, or subsequent, write-down to fair value (less cost to sell) of a disposal group that is classified as a component of the entity, which remains unsold as of the reporting date. May include the recognition of a (gain) (net of tax expense) for a subsequent increase in fair value (less cost to sell), but not in excess of the cumulative loss previously recognized through write-downs.

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Note 2. Summary of Disposition (Detail) (USD $)	3 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended		3 Months Ended
Note 2. Summary of Disposition (Detail) (USD $)	Mar. 31, 2013	Mar. 25, 2012	Dec. 31, 2012	Mar. 31, 2013 Blockdot [Member]	Dec. 31, 2012 Blockdot [Member]	Mar. 25, 2012 DealTaker.com [Member]	Dec. 31, 2012 Primarily Accounts Payable and Accrued Expenses [Member]	Mar. 31, 2013 Operating Leases For Space No Longer Utilized [Member]
Discontinued Operation, Provision for Loss (Gain) on Disposal, Net of Tax					$ (2,500,000)
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax	(30,000)			(30,000)
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax	(956,000)	(10,140,000)						(700,000)
Goodwill and Intangible Asset Impairment		6,472,000				6,500,000
Goodwill and Intangible Asset Impairment, Tax Benefit						3,600,000
Assets of Disposal Group, Including Discontinued Operation			670,000
Liabilities of Disposal Group, Including Discontinued Operation			$ 467,000				$ 467,000