Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Weighted-Average Fair Value Valuation Assumptions (Detail)

v3.22.1
Stock Based Compensation - Weighted-Average Fair Value Valuation Assumptions (Detail) - Employee Stock Options - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Risk-free interest rate 2.02% 0.87%
Expected term (in years) 6 years 29 days 6 years 29 days
Dividend yield 0.00% 0.00%
Volatility 90.41% 113.12%
Weighted-average fair value of stock options granted $ 2.07 $ 11.62