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CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Consolidated Statements Of Operations        
Sales $ 6,788 $ 5,794 $ 20,214 $ 17,532
Cost of sales 4,869 3,545 13,662 10,902
Gross profit 1,919 2,249 6,552 6,630
Other costs and expenses:        
Research and development 368 291 1,019 938
Professional services 142 512 686 1,348
Salaries and related costs 1,653 751 3,980 2,376
Selling, general and administrative 2,123 1,170 4,923 3,717
Legal award          1,041
Total other costs and expenses 4,286 2,724 10,608 9,420
Loss from operations (2,367) (475) (4,056) (2,790)
Interest expense, net (41) (54) (111) (171)
Change in fair value of liabilities, net (1,676) 13 (9,820) 17
Loss before income taxes (4,084) (516) (13,987) (2,944)
Benefit for income taxes, net 1,350 175 1,895 1,074
Net loss (2,734) (341) (12,092) (1,870)
Accretion on convertible preferred stock (242)    (668)   
Net loss attributable to common shareholders $ (2,976) $ (341) $ (12,760) $ (1,870)
Loss per share        
Basic $ (0.17) $ (0.02) $ (0.72) $ (0.11)
Diluted $ (0.17) $ (0.02) $ (0.72) $ (0.11)
Weighted average number of shares outstanding- basic 17,780 17,678 17,727 17,666
Weighted average number of shares outstanding - dilutive 17,780 17,678 17,727 17,666