Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues:
Product sales, net	$ 3,706	$ 1,861	$ 7,174	$ 3,371
Research and development income	109	564	268	872
Licensing, royalty and other income	5	12	62	26
Total revenues	3,820	2,437	7,504	4,269
Cost and expenses:
Cost of sales	2,673	1,683	5,248	3,049
Selling, general and administrative expenses	706	615	1,386	1,273
Product development and research expenses	805	644	1,463	1,116
Total costs and expenses	4,184	2,942	8,097	5,438
Operating loss	(364)	(505)	(593)	(1,169)
Interest expense and other, net	(39)	(83)	(67)	(154)
Net loss	$ (403)	$ (588)	$ (660)	$ (1,323)
Basic and diluted loss per share (in Dollars per share)	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.03)
Weighted Average of Common Stock and Common Stock Equivalents Outstanding
Basic and diluted (in Shares)	43,206,016	39,522,868	43,070,335	39,511,745