Quarterly report pursuant to Section 13 or 15(d)

Summary of Unvested Restricted Stock Units (Detail)

v3.22.1
Summary of Unvested Restricted Stock Units (Detail) - Restricted Stock Units (RSUs)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Beginning Balance | shares 94,000
Granted | shares 17,000
Vested | shares (2,000)
Forfeited or cancelled | shares (1,000)
Ending Balance | shares 108,000
Unvested RSUs at December 31, 2021 | $ / shares $ 15.75
Granted | $ / shares 9.75
Vested | $ / shares 24.25
Forfeited or cancelled | $ / shares 15.25
Unvested RSUs at March 31, 2022 | $ / shares $ 14.50