Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Details 3)

v3.10.0.1
Stock-based Compensation (Details 3) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense $ 402 $ 709 $ 1,294 $ 1,105
Sales and marketing [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 166 158 275 178
Research and development [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 47 82 225 184
General and administrative [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense 189 283 794 557
Restructuring charges [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Allocated Share-based Compensation Expense $ 0 $ 186 $ 0 $ 186