Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Compensation Expense (Details)

v3.19.3
Stock-based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 487 $ 938 $ 1,680 $ 2,232
Sales and marketing        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 137 171 516 446
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 57 87 175 312
General and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 293 $ 680 $ 989 $ 1,474