Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details)

v3.19.2
Stock-based Compensation - Schedule of Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 5,557 $ 33 $ 5,604 $ 66
Research and development        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 172 6 175 11
Sales and marketing        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 467 9 478 17
General and administrative        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense 4,899 14 4,931 29
Cost of revenues        
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]        
Stock-based compensation expense $ 19 $ 4 $ 20 $ 9