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]      
Net revenue $ 45,620 $ 37,298 $ 31,004
Cost of revenue 11,170 10,931 9,367
Gross profit 34,450 26,367 21,637
Operating expenses:      
Sales and marketing 20,527 16,661 15,033
General and administrative 16,972 11,631 11,407
Initial public offering costs 0 1,979 0
Research and development 3,423 2,223 1,789
Total operating expenses 40,922 32,494 28,229
Operating loss (6,472) (6,127) (6,592)
Other expenses:      
Interest expense 2,490 1,476 1,230
Other expense (income) (30) (1,031) 31
Total other expenses 2,460 445 1,261
Net loss from continuing operations (8,932) (6,572) (7,853)
Loss from discontinued operations 0 0 38
Net loss (8,932) (6,572) (7,891)
Net loss attributable to common stockholders $ (23,530) $ (12,448) $ (12,688)
Weighted average number of shares - basic and diluted (in shares) 4,017,330 1,744,356 1,744,356
Net loss per share attributable to common stockholders - basic and diluted (in dollars per share) $ (5.86) $ (7.14) $ (7.27)