Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Schedule of Share-based Compensation Expense (Details)

v3.19.2
Share-Based Compensation - Schedule of Share-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]        
Share-based compensation expense $ 1,987 $ 3,270 $ 4,419 $ 5,632
Cost of revenue        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 89 71 156 139
Marketing and selling        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 209 199 439 396
Research and development        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 258 272 503 549
General and administrative        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense $ 1,431 $ 2,728 $ 3,321 $ 4,548