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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Consolidated Statements Of Operations    
Sales $ 7,775 $ 6,128
Cost of sales 4,452 3,454
Gross profit 3,323 2,674
Other costs and expenses:    
Research and development 668 446
Professional services 357 331
Salaries and related costs 2,100 1,952
Selling, general and administrative 2,191 2,217
Total other costs and expenses 5,316 4,946
Loss from operations (1,993) (2,272)
Interest expense, net (38) (40)
Change in fair value of liabilities, net 87 1,444
Total other income (expense), net 49 1,404
Loss before income taxes $ (1,944) (868)
Income tax expense (benefit) (8)
Net loss $ (1,944) (876)
Accretion on convertible preferred stock (222)
Gain on conversion of warrants and preferred shares, net 13,956
Net income (loss) attributable to common shareholders $ (1,944) $ 12,858
Income (loss) per share    
Basic $ (0.07) $ 0.69
Diluted $ (0.07) $ 0.57
Weighted average number of shares outstanding- basic 27,051,000 18,615,000
Weighted average number of shares outstanding - dilutive 27,051,000 20,470,000