Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Summary of Stock Option Activity (Details)

v3.20.2
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, 2020
Dec. 31, 2019
Number of Shares    
Number of Shares, Beginning Balance 2,129,632  
Number of Shares, Granted 797,572  
Number of Shares, Exercised (21,445)  
Number of Shares, Forfeited (16,714)  
Number of Shares, Ending Balance 2,889,045 2,129,632
Number of Shares, Options Exercisable 784,221  
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning Balance $ 5.12  
Weighted Average Exercise Price, Granted 13.06  
Weighted Average Exercise Price, Exercised 6.30  
Weighted Average Exercise Price, Forfeited 6.30  
Weighted Average Exercise Price, Ending Balance 7.30 $ 5.12
Weighted Average Exercise Price, Options Exercisable $ 3.58  
Weighted Average Remaining Contractual Term (years)    
Term (years) 8 years 9 months 18 days 9 years 2 months 12 days
Weighted Average Remaining Contractual Term (years), Options Exercisable 8 years 3 months 18 days  
Aggregate Intrinsic Value    
Aggregate Intrinsic Value, Beginning Balance $ 18,844  
Aggregate Intrinsic Value, Exercised 121  
Aggregate Intrinsic Value, Ending Balance 12,622 $ 18,844
Aggregate Intrinsic Value, Options Exercisable $ 5,745