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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 519 $ 508 $ 875 $ 1,095
Sales and marketing        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 92 98 191 236
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense 58 40 110 113
General and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Compensation expense $ 369 $ 370 $ 574 $ 746