Quarterly report pursuant to Section 13 or 15(d)

Common Stock - Summary of Fair Value of Each Stock Award for Employees and Directors (Detail)

v3.22.1
Common Stock - Summary of Fair Value of Each Stock Award for Employees and Directors (Detail)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Risk-free interest rates 1.49% 0.59%
Expected dividend yield 0.00% 0.00%
Expected life 5 years 9 months 18 days 6 years 3 days
Expected volatility 123.35% 109.87%