v3.8.0.1
Consolidated Statements of Operations - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Statement [Abstract]      
Revenues $ 23,763 $ 15,507 $ 11,791
Costs      
Cost of revenues 11,370 9,549 8,304
Impairment of property and equipment 793    
Total costs 12,163 9,549 8,304
Gross profit 11,600 5,958 3,487
Operating expenses      
Sales and marketing 6,179 4,475 3,841
Research and development 4,159 4,093 3,359
General and administrative 5,595 2,362 1,807
Total operating expenses 15,933 10,930 9,007
Operating loss (4,333) (4,972) (5,520)
Other expense, net      
Remeasurement of convertible preferred stock warrant liability (3,725) (524)  
Loss on early extinguishment of debt (479)   (77)
Interest expense, net (1,114) (1,317) (643)
Other expense, net (169) (47) (28)
Total other expense, net (5,487) (1,888) (671)
Loss before income taxes (9,820) (6,860) (6,191)
Provision for income taxes 160    
Net loss $ (9,980) $ (6,860) $ (6,191)
Net loss per share, basic and diluted $ (1.61) $ (4.28) $ (3.99)
Weighted average shares used in computing net loss per share, basic and diluted 6,197,775 1,602,402 1,552,780

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