XML 69 R58.htm IDEA: XBRL DOCUMENT v3.21.2
STOCK-BASED COMPENSATION - Stock-Based 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 Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 6,199 $ 495 $ 7,983 $ 1,427
Sales and marketing        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 723 (24) 975 196
Research and development        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense 965 33 1,384 519
General and administrative        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 4,511 $ 486 $ 5,624 $ 712