Condensed Consolidated Statement of Operations and Comprehensive Loss (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues:
Product revenue	$ 15,636	$ 16,406
Service and other revenue	2,974	3,392
Total revenue	18,610	19,798
Cost of goods sold:
Cost of product revenue	11,004	11,996
Cost of service and other revenue	2,104	2,495
Total cost of goods sold	13,108	14,491
Gross profit	5,502	5,307
Operating expenses:
Research and development	1,631	1,288
Selling and marketing	2,937	3,547
General and administrative	1,134	1,544
Total operating expenses	5,702	6,379
Loss from Operations	(200)	(1,072)
Interest expense, net	(82)	(114)
Other income, net	9	39
Net loss	(273)	(1,147)
Net loss per share, basic and diluted (in dollars per share)	$ (0.01)	$ (0.07)
Shares used in computing net loss per share, basic and diluted (in shares)	19,225	16,966
Comprehensive loss:
Net loss	(273)	(1,147)
Translation gain (loss) on subsidiaries denominated in foreign currencies	(301)	36
Comprehensive loss	$ (574)	$ (1,111)