Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Additional Information (Details)

v3.21.2
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation     $ 1,967 $ 3,044  
Weighted Average Remaining Life (in years)     1 year 10 months 24 days    
Stock Options [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Stock-based compensation $ 5,000 $ 48,000 $ 100 $ 100  
Unrecognized compensation expense for stock options issued 400   $ 400    
Weighted Average Remaining Life (in years)     4 years 9 months 25 days   6 years 5 months 1 day
Restricted Stock Units (RSUs) [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized compensation expense for stock options issued 300   $ 300    
Weighted-average recognized period     2 years    
Restricted Stock Awards (RSAs) [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Unrecognized compensation expense for stock options issued $ 800   $ 800    
Weighted-average recognized period     2 years 4 months 24 days