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
Revenue
Product	$ 84,334	$ 50,693	$ 170,937	$ 90,971
Service	9,046	7,510	15,613	15,732
Total Revenue	93,380	58,203	186,550	106,703
Cost of revenue
Product	52,905	33,690	109,778	64,010
Service	6,337	4,645	11,553	9,818
Total Cost of revenue	59,242	38,335	121,331	73,828
Gross profit	34,138	19,868	65,219	32,875
Operating expenses
Research and development	11,829	9,477	23,647	18,610
Sales and marketing	7,675	6,606	15,494	13,210
General and administrative	8,416	7,464	17,471	15,164
Total Operating expenses	27,920	23,547	56,612	46,984
Income (loss) from operations	6,218	(3,679)	8,607	(14,109)
Other income (expense)
Interest income	11	25	17	54
Other, net	(1,158)	342	(1,608)	(65)
Total Other income (expense)	(1,147)	367	(1,591)	(11)
Income (loss) before income taxes	5,071	(3,312)	7,016	(14,120)
Income taxes	844	1,217	977	1,510
Net income (loss)	$ 4,227	$ (4,529)	$ 6,039	$ (15,630)
Net income (loss) per share
Basic (in dollars per share)	$ 0.04	$ (0.04)	$ 0.06	$ (0.15)
Diluted (in dollars per share)	$ 0.04	$ (0.04)	$ 0.06	$ (0.15)
Shares used in computing basic and diluted net income (loss) per share
Basic weighted average common shares (in shares)	106,097	104,170	106,017	104,143
Diluted weighted average common shares (in shares)	108,911	104,170	109,723	104,143