Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenue	$ 15,584	$ 23,004	$ 32,379	$ 41,635
Operating Expenses:
Cost of revenues	10,812	13,176	21,800	23,978
Sales and marketing	4,646	3,945	7,928	7,043
General and administrative	3,291	2,209	5,901	4,123
Research and development	1,359	1,142	2,887	2,254
Amortization of intangibles	1,210	1,454	2,408	2,684
Total operating expenses	21,318	21,926	40,924	40,082
Operating income (loss)	(5,734)	1,078	(8,545)	1,553
Interest and other income (expense), net	(30)	(61)	(85)	(117)
Change in fair value of warrant liability	411	335	1,970	63
Income (loss) before income taxes	(5,353)	1,352	(6,660)	1,499
Provision for income taxes	51	122	62	135
Net income (loss)	$ (5,404)	$ 1,230	$ (6,722)	$ 1,364
Per share data:
Basic net income (loss) per share	$ (0.25)	$ 0.08	$ (0.32)	$ 0.09
Diluted net income (loss) per share	$ (0.25)	$ 0.07	$ (0.32)	$ 0.08
Basic weighted average shares outstanding	21,254	15,989	20,750	15,301
Diluted weighted average shares outstanding	21,254	17,342	20,750	16,498