Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Revenue
Product	$ 62,175	$ 67,530
Services	5,346	5,753
Total revenue	67,521	73,283
Cost of revenue
Product	40,263	45,185
Services	3,842	4,718
Total cost of revenue	44,105	49,903
Gross profit	23,416	23,380
Operating expenses
Research and development	8,636	8,199
Sales and marketing	5,960	5,628
General and administrative	6,042	6,101
Restructuring charges	282	10
Total operating expenses	20,920	19,938
Income from operations	2,496	3,442
Other (expense) income
Interest income	54	3
Interest expense	(1,047)	(1,043)
Other, net	(59)	(433)
Total other (expense) income	(1,052)	(1,473)
Income before income taxes	1,444	1,969
Income tax (benefit) provision	(504)	101
Net income	$ 1,948	$ 1,868
Net earnings per share
Basic (in dollars per share)	$ 0.02	$ 0.02
Diluted (in dollars per share)	$ 0.02	$ 0.02
Shares used in computing net earnings per share
Basic weighted average common shares	116,152	113,152
Diluted weighted average common shares	122,078	118,720