CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Revenue:
Services	$ 37,248	$ 32,276	$ 16,770
Software and other	16,591	11,901	725
Total revenue	53,839	44,177	17,495
Costs of revenue:
Cost of services	29,919	26,737	16,620
Cost of software and other	1,744	1,358	59
Total cost of revenue	31,663	28,095	16,679
Gross profit	22,176	16,082	816
Operating expenses:
Research and development	6,057	5,214	5,795
Sales and marketing	21,791	18,091	7,675
General and administrative	12,005	10,963	14,119
Amortization of intangible assets	866	364	177
Total operating expenses	40,719	34,632	27,766
Loss from operations	(18,543)	(18,550)	(26,950)
Interest income and other, net	455	540	428
Loss from continuing operations, before income taxes	(18,088)	(18,010)	(26,522)
Income tax provision (benefit)	401	88	(4,941)
Loss from continuing operations, after income taxes	(18,489)	(18,098)	(21,581)
Income (loss) from discontinued operations, after income taxes	(151)	31	7,004
Net loss	$ (18,640)	$ (18,067)	$ (14,577)
Basic and diluted earnings per share:
Loss from continuing operations (in dollars per share)	$ (0.39)	$ (0.39)	$ (0.47)
Income (loss) from discontinued operations (in dollars per share)	$ 0.00	$ 0.00	$ 0.16
Basic and diluted net loss per share (in dollars per share)	$ (0.39)	$ (0.39)	$ (0.31)
Shares used in computing basic and diluted net loss per share (in shares)	48,288	46,818	46,378