Net Loss per Share - Summary of Potential Common Shares Excluded from Calculation of Diluted Net Loss per Share (Detail) - shares |
12 Months Ended | |
---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
Potential common shares excluded from calculation of diluted net loss per share | 22,310,820 | 17,600,909 |
Warrants to Purchase Common Stock [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
Potential common shares excluded from calculation of diluted net loss per share | 12,935,323 | 12,935,323 |
Stock Options to Purchase Common Stock [Member] | ||
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||
Potential common shares excluded from calculation of diluted net loss per share | 9,375,497 | 4,665,586 |