Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue
Product	$ 55,015	$ 34,452
Services	5,825	6,274
Total revenue	60,840	40,726
Cost of revenue
Product	33,802	22,181
Services	5,298	5,602
Total cost of revenue	39,100	27,783
Gross profit	21,740	12,943
Operating expenses
Research and development	9,257	9,206
Sales and marketing	5,476	5,201
General and administrative	6,481	6,590
Gain on sale of dry strip assets and intellectual property		(368)
Restructuring charges	200	1,801
Total operating expenses	21,414	22,430
Income (loss) from operations	326	(9,487)
Other income (expense)
Interest income	2	3
Interest expense	(251)
Other, net	292	829
Total other income	43	832
Income (loss) before income taxes	369	(8,655)
Income taxes	195	333
Net income (loss)	$ 174	$ (8,988)
Net earnings (loss) per share
Basic (in dollars per share)	$ 0.00	$ (0.08)
Diluted (in dollars per share)	$ 0.00	$ (0.08)
Shares used in computing net earnings (loss) per share
Basic weighted average common shares	110,649	108,227
Diluted weighted average common shares	115,798	108,227