CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net revenues:
Product revenues	$ 242	$ 438	$ 979	$ 930
License revenues	176	166	535	509
Total net revenues	418	604	1,514	1,439
Cost of goods sold	189	191	610	448
Gross margin	229	413	904	991
Operating expenses:
Research and development	204	208	687	552
Depreciation and amortization	55	52	169	96
Selling, general and administrative	578	1,006	2,497	2,564
Total operating expenses	837	1,266	3,353	3,212
Loss from operations	(608)	(853)	(2,449)	(2,221)
Interest income	0	0	0	2
Interest expense	(5)	0	(52)	0
Gain on sale of equipment	1	0	3	0
Other income (expense)	1	0	(25)	55
Net loss	(611)	(853)	(2,523)	(2,164)
Other comprehensive income (loss), foreign currency translation adjustments	0	17	(2)	7
Total comprehensive loss	$ (611)	$ (836)	$ (2,525)	$ (2,157)
Net loss per common share, basic and diluted	$ (0.03)	$ (0.07)	$ (0.17)	$ (0.20)
Weighted average common shares outstanding, basic and diluted	17,787,356	11,560,329	14,805,395	11,032,743