Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net revenues:
Product revenues	$ 545	$ 527
License and royalty revenues	45	17
Total net revenues	590	544
Cost of goods sold	295	262
Gross margin	295	282
Operating expenses:
Research and development	269	192
Depreciation and amortization	55	53
Selling, general and administrative	777	843
Total operating expenses	1,101	1,088
Loss from operations	$ (806)	(806)
Change in fair value of warrant liability		1,009
Interest expense	$ (14)	$ (11)
Interest income	1
Other income (expense)	(17)	$ 51
Net income (loss)	(836)	$ 243
Other comprehensive income, foreign currency translation adjustments	1
Total comprehensive income (loss)	$ (835)	$ 243
Net income (loss) per common share, basic	$ (0.02)	$ 0.01
Weighted average common shares outstanding, basic	48,173,521	30,259,823
Net loss per common share, diluted	$ (0.02)	$ (0.02)
Weighted average common shares outstanding, diluted	48,173,521	37,082,499