Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Stock Option Activity (Details)

v3.21.1
Stock-Based Compensation - Schedule of Stock Option Activity (Details) - Stock Option - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Shares    
Beginning balance (in shares) 1,465,450  
Granted (in shares) 0  
Exercised (in shares) (185,234)  
Canceled/expired (in shares) (71,476)  
Ending balance (in shares) 1,208,740 1,465,450
Options exercisable (in shares) 1,073,148,000  
Weighted Average Grant Date Fair Value    
Beginning balance (in dollars per share) $ 0.80  
Granted (in dollars per share) 0  
Exercised (in dollars per share) 1.06  
Cancelled/expired (in dollars per share) 1.77  
Ending balance (in dollars per share) 0.80 $ 0.80
Options exercisable (in dollars per share) $ 0.75  
Weighted Average Remaining Contractual Term (years)    
Outstanding (in years) 6 years 2 months 8 days 6 years 10 months 9 days
Weighted Average Remaining Contractual Term (years), Exercisable 6 years 29 days  
Aggregate Intrinsic Value    
Outstanding $ 700 $ 771
Options exercisable $ 642