Condensed Consolidated Statements Of Operations (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
Revenues	$ 50,862	$ 45,424	$ 100,582	$ 80,746
Cost of revenues	20,585	16,222	37,958	27,970
Amortization of acquired intangible assets	416	369	812	369
Gross profit	29,861	28,833	61,812	52,407
Operating expenses:
Research and development	4,382	4,909	9,795	8,596
In-process research and development		92		542
Sales and marketing	19,291	17,115	37,920	30,519
General and administrative	8,938	8,007	18,080	13,567
Amortization of acquired intangible assets	554	469	1,084	469
Transaction related expenses		493		3,645
Restructuring expenses		805	599	1,687
Total operating expenses	33,165	31,890	67,478	59,025
Operating loss	(3,304)	(3,057)	(5,666)	(6,618)
Other income (expense):
Interest income	51	34	55	35
Interest expense	(888)	(1,444)	(1,567)	(2,305)
Other income, net	335	1,101	756	992
Total other income (expense)	(502)	(309)	(756)	(1,278)
Loss from continuing operations before taxes	(3,806)	(3,366)	(6,422)	(7,896)
Income tax benefit	(762)	(265)	(1,511)	(129)
Loss from continuing operations	(3,044)	(3,101)	(4,911)	(7,767)
Income from discontinued operations, net of tax		122		78
Net loss	$ (3,044)	$ (2,979)	$ (4,911)	$ (7,689)
Net loss per common share:
Basic and diluted net loss per share from continuing operations	$ (0.03)	$ (0.04)	$ (0.06)	$ (0.11)
Basic and diluted net income per share from discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Basic and diluted net loss per share	$ (0.03)	$ (0.04)	$ (0.06)	$ (0.11)
Weighted-average shares used in computing net loss per share:
Basic and diluted	88,740	84,675	88,720	69,500