Annual report pursuant to Section 13 and 15(d)

Net Loss Per Share - Summary of Shares Excluded from Calculation of Diluted Net Loss per Share Applicable to Common Stockholders (Detail)

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Net Loss Per Share - Summary of Shares Excluded from Calculation of Diluted Net Loss per Share Applicable to Common Stockholders (Detail) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Total 5,221,279 4,318,357
Options to Purchase Shares of Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Total 3,659,366 3,596,444
Warrants to Purchase Shares of Stock    
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]    
Total 1,561,913 721,913