Quarterly report pursuant to Section 13 or 15(d)

Stock-based Compensation - Compensation Expense (Details)

v3.21.2
Stock-based Compensation - Compensation Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 663 $ 517 $ 1,538 $ 1,612
Sales and marketing        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 119 103 310 339
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 74 49 184 161
General and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 470 $ 365 $ 1,044 $ 1,112