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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Revenue $ 1,284 $ 38
Cost of revenue 936 50
Gross profit (loss) 348 (12)
Operating expenses:    
Research and development 1,796 845
Selling, general and administrative 2,548 1,577
Total operating expenses 4,344 2,422
Loss from operations (3,996) (2,434)
Interest expense (108) (83)
Other expense, net (2) (7)
Comprehensive and net loss $ (4,106) $ (2,524)
Net loss per share:    
Basic and diluted (in dollars per share) $ (0.55) $ (1.10)
Weighted average shares used in computing net loss per common share    
Basic and diluted (in shares) 7,493,011 2,293,057