STATEMENTS OF OPERATIONS (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Revenue:
Product revenue	$ 2,576	$ 2,976
Other revenue	9	3
Total revenue	2,585	2,979
Operating expense:
Cost of revenue	1,877	2,073
Gross profit	708	906
Research and development expenses	337	429
Selling, general and administrative expenses	798	960
Loss from operations	(427)	(483)
Interest expense	(2)	(7)
Other, net		6
Loss before provision for income taxes	(429)	(484)
Provision for income taxes
Net loss	$ (429)	$ (484)
Net loss per share-basic and diluted	$ (0.02)	$ (0.02)
Weighted average number of basic and diluted common shares outstanding	28,481,496	28,466,717