Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation (Details 2)

v3.7.0.1
Stock-based Compensation (Details 2) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Allocated Share-based Compensation Expense $ 394 $ 1,574
Sales and marketing [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Allocated Share-based Compensation Expense 20 232
Research and development [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Allocated Share-based Compensation Expense 101 231
General and administrative [Member]    
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]    
Allocated Share-based Compensation Expense $ 273 $ 1,111