Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Summary of Stock Option Activity (Details)

v3.21.2
Common Stock - Summary of Stock Option Activity (Details) - Stock Options - 2019 Plan - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Number of Shares    
Number of Shares, Beginning Balance 2,900,479  
Number of Shares, Granted 1,429,233  
Number of Shares, Exercised (58,024)  
Number of shares, Forfeited/Cancelled (232,707)  
Number of Shares, Ending Balance 4,038,981 2,900,479
Number of Shares, Options Exercisable 1,603,995  
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning Balance $ 7.33  
Weighted Average Exercise Price, Granted 11.20  
Weighted Average Exercise Price, Exercised 8.94  
Weighted Average Exercise Price, Forfeited/Cancelled 10.87  
Weighted Average Exercise Price, Ending Balance 8.47 $ 7.33
Weighted Average Exercise Price, Options Exercisable $ 5.70  
Weighted Average Remaining Contractual Term (years)    
Term (years) 8 years 3 months 18 days 8 years 6 months
Weighted Average Remaining Contractual Term (years), Options Exercisable 7 years 7 months 6 days  
Aggregate Intrinsic Value    
Aggregate Intrinsic Value, Beginning Balance $ 16,303  
Aggregate Intrinsic Value, Exercised 81  
Aggregate Intrinsic Value, Ending Balance 16,484 $ 16,303
Aggregate Intrinsic Value, Options Exercisable $ 10,983