STATEMENTS OF OPERATIONS (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Revenue:
Product revenue	$ 9,566	$ 9,725
Other revenue	24	312
Total revenue	9,590	10,037
Operating expense:
Cost of revenue	7,030	7,396
Gross profit	2,560	2,641
Research and development expense	1,679	1,627
Selling, general and administrative expense	3,372	3,403
Loss from operations	(2,491)	(2,389)
Interest income	2
Interest expense	(12)	(7)
Other, net	23	3
Loss before provision for income taxes	(2,478)	(2,393)
Provision for income taxes
Net loss	$ (2,478)	$ (2,393)
Net loss per share-basic and diluted	$ (0.09)	$ (0.10)
Weighted average number of basic and diluted common shares outstanding	28,469,393	24,476,605