Discontinued Operations (Details) (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction costs from sale of discontinued operations		$ (1,100,000)	$ 0	$ 0
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
Income from discontinued operations, net of tax		12,102,000	1,932,000	(595,000)
Media [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business disposal, selling price	20,000,000	20,000,000
Business disposal, cash deposited in escrow by buyer	3,000,000	3,000,000
Business disposal, liability for breaches of representations and warranties made in the Purchase Agreement, maximum	10,000,000	10,000,000
Transaction costs from sale of discontinued operations	1,100,000
Carrying value of the total assets	8,300,000	8,300,000
Carrying value of the total liabilities	3,100,000	3,100,000
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
Revenue		13,797,000	20,409,000	18,284,000
Gross profit		10,421,000	15,503,000	11,674,000
(Loss) income from discontinued operations		(1,509,000)	2,986,000	(805,000)
Gain on sale of discontinued operations		13,712,000	0	(55,000)
Income tax provision from discontinued operations		101,000	1,054,000	(265,000)
Income from discontinued operations, net of tax		12,102,000	1,932,000	(595,000)
Geek.com [Member]
Revenues, gross profit and income from discontinued operations, net of tax from discontinued operations:
Income from discontinued operations, net of tax				$ 200,000