Correction of Treatment for Liabilities - Adjustment Of Statement of Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011		Dec. 31, 2010
Cost of revenue									$ 97,848	$ 83,602	[1]	$ 63,036	[1]
Gross margin	14,147	2,256	2,096	2,567	11,690	1,209	1,043	1,513	21,065	15,455	[1]	13,299	[1]
(Loss) income from continuing operations	4,676	(1,999)	507	(1,380)	5,140	(3,175)	(2,854)	(2,554)	1,805	(3,447)	[2]	(4,259)	[2]
Net (loss) income (1)	6,056	8,363	1,543	(2,055)	5,888	(2,747)	(2,208)	(2,444)	13,907	(1,515)		(4,854)
Scenario, Previously Reported [Member]
Cost of revenue										83,277	[1]	62,630	[1]
Gross margin										15,780	[1]	13,705	[1]
(Loss) income from continuing operations										(3,122)	[2]	(3,853)	[2]
Net (loss) income (1)										$ (1,190)		$ (4,448)

[1] Includes future payments for the Company's facilities under non-cancelable operating leases that expire at various dates through 2014.

[2] Loss from continuing operations, as reported, has been revised to exclude amounts related to the sale of the Company's Media business, which has been presented as discontinued operations.