Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Share-Based Compensation - Schedule of Share-based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense $ 2,249 $ 1,954 $ 7,223 $ 6,957
Cost of revenue        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 52 50 173 169
Marketing and selling        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 171 169 356 622
Research and development        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense 299 320 1,076 1,185
General and administrative        
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]        
Share-based compensation expense $ 1,727 $ 1,415 $ 5,618 $ 4,981