Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Compensation Expense (Details)

v3.10.0.1
Stock-based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense $ 938 $ 650 $ 2,232 $ 1,755
Sales and marketing        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 171 187 446 365
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 87 103 312 287
General and administrative        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense 680 360 1,474 917
Restructuring charges        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Compensation expense $ 0 $ 0 $ 0 $ 186