XML 79 R44.htm IDEA: XBRL DOCUMENT v3.22.1
Stock-Based Compensation - Summary of Stock Option Activity (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning balance, Stock Options | shares 1,001,517
Options granted, Stock Options | shares 2,839,284
Stock options exercised, Stock Options | shares (5,183)
Ending balance, Stock Options | shares 3,835,618
Vested and exercisable, Stock Options | shares 1,004,510
Beginning balance, Weighted Average Exercise Price | $ / shares $ 1.13
Options granted, Weighted Average Exercise Price | $ / shares 2.99
Options Exercised, Weighted Average Exercise Price | $ / shares 2.85
Ending balance, Weighted Average Exercise Price | $ / shares 2.51
Vested and exercisable, Weighted Average Exercise Price | $ / shares $ 1.56
Weighted Average Remaining Contractual Life (in years) 8 years 6 months
Vested and exercisable, Weighted Average Remaining Contractual Life (in years) 6 years 10 months 24 days
Ending balance, Aggregate Intrinsic Value | $ $ 19,458
Vested and exercisable, Aggregate Intrinsic Value | $ $ 5,523