Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Compensation Expense (Details)

v3.20.2
Stock-based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 517 $ 487 $ 1,612 $ 1,680
Sales and marketing        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 103 137 339 516
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 49 57 161 175
General and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 365 $ 293 $ 1,112 $ 989