Statements Of Operations (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Product revenue	$ 2,330,293	$ 2,706,433
Other revenue	79,045	79,253
Total revenue	2,409,338	2,785,686
Operating expense:
Cost of revenue	1,845,651	1,861,659
Gross profit	563,687	924,027
Research and development expense	399,614	401,025
Selling, general and administrative expense	944,315	1,077,696
Loss from operations	(780,242)	(554,694)
Interest income		1,893
Interest expense	(1,105)	(899)
Other, net	7,225	(42)
Loss before provision for income taxes	(774,122)	(553,742)
Provision for income taxes
Net loss	$ (774,122)	$ (553,742)
Net loss per share-basic and diluted	$ (0.04)	$ (0.03)
Weighted average number of basic and diluted common shares outstanding	21,208,162	21,204,162