Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue
Product	$ 73,795	$ 32,360	$ 214,073	$ 122,170
Services	5,522	6,171	16,964	18,351
Total revenue	79,317	38,531	231,037	140,521
Cost of revenue
Product	45,698	18,823	137,443	73,646
Services	4,440	4,564	13,861	15,507
Total cost of revenue	50,138	23,387	151,304	89,153
Gross profit	29,179	15,144	79,733	51,368
Operating expenses
Research and development	8,581	7,950	24,679	26,052
Sales and marketing	6,322	4,891	17,808	15,404
General and administrative	6,584	5,380	18,916	18,356
Restructuring charges		2,288	18	2,648
Total operating expenses	21,487	20,509	61,421	62,460
Income (loss) from operations	7,692	(5,365)	18,312	(11,092)
Other (expense) income
Interest income	7	2	16	6
Interest expense	(1,274)	(304)	(3,627)	(812)
Other, net	(167)	1,352	(551)	1,282
Total other (expense) income	(1,434)	1,050	(4,162)	476
Income (loss) before income taxes	6,258	(4,315)	14,150	(10,616)
Income taxes	157	389	298	814
Net income (loss)	$ 6,101	$ (4,704)	$ 13,852	$ (11,430)
Net income (loss) per share
Basic (in dollars per share)	$ 0.05	$ (0.04)	$ 0.12	$ (0.10)
Diluted (in dollars per share)	$ 0.05	$ (0.04)	$ 0.11	$ (0.10)
Shares used in computing net income (loss) per share
Basic weighted average common shares	114,799	111,701	113,918	111,191
Diluted weighted average common shares	121,862	111,701	120,620	111,191