XML 62 R49.htm IDEA: XBRL DOCUMENT v3.21.2
Stock-Based Compensation - Summary of Stock Option Activity (Details)
$ / shares in Units, $ in Thousands
9 Months Ended 12 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Number of Shares, Beginning Balance | shares 1,547,753  
Number of Shares, Granted | shares 3,557,803  
Number of Shares, Exercised | shares (92,208)  
Number of Shares, Forfeited and cancelled | shares (34,813)  
Number of Shares, Ending Balance | shares 4,978,535 1,547,753
Number of Shares, Options vested and expected to vest | shares 4,978,535  
Number of Shares, Options exercisable | shares 1,122,487  
Weighted Average Exercise Price, Beginning balance | $ / shares $ 0.20  
Weighted Average Exercise Price, Granted | $ / shares 6.18  
Weighted Average Exercise Price, Exercised | $ / shares 0.56  
Weighted Average Exercise Price, Forfeited and cancelled | $ / shares 0.20  
Weighted Average Exercise Price, ending balance | $ / shares 4.46 $ 0.20
Weighted Average Exercise Price, Options vested and expected to vest | $ / shares 4.46  
Weighted Average Exercise Price, Options exercisable | $ / shares $ 1.10  
Weighted Average Contractual Term, Outstanding 9 years 3 months 29 days 8 years 9 months 3 days
Weighted Average Contractual Term,Options vested and expected to vest 9 years 3 months 29 days  
Weighted Average Contractual Term, Options exercisable 8 years 3 months  
Aggregate Intrinsic Value | $ $ 299  
Aggregate Intrinsic Value, Exercised | $ 689  
Aggregate Intrinsic Value | $ 17,770 $ 299
Aggregate Intrinsic Value, Options vested and expected | $ 17,770  
Aggregate Intrinsic Value, Options exercisable | $ $ 7,786