CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $)
In Thousands, except Share data, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Net revenue:    
Product revenues $ 1,029 $ 1,127
Licensing revenues 711 680
Total net revenues 1,740 1,807
Cost of goods sold 898 737
Gross margin 842 1,070
Operating expenses:    
Research and development 826 632
Depreciation and amortization 223 151
Selling, general and administrative 3,110 3,620
Total operating expenses 4,159 4,403
Loss from operations (3,317) (3,333)
Interest income 0 2
Interest expense (94) 0
Gain on sale of equipment 3 55
Amortization of debt discount (257) 0
Other income (expense) (33) 14
Net loss (3,698) (3,262)
Other comprehensive income, foreign currency translation adjustments (2) 27
Total comprehensive loss $ (3,700) $ (3,235)
Net loss per common share, basic and diluted $ (0.24) $ (0.29)
Weighted average common shares outstanding, basic and diluted 15,624,999 11,223,878