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Net Income (Loss) Per Share Attributable to Common Stockholders - Anti-dilutive Security not Included In Diluted per Share Calculations (Detail) - shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti dilutive securities 2,512,163 3,236,677
Options To Purchase Common Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti dilutive securities 2,512,078 3,236,592
Common Stock Warrants    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti dilutive securities 85 85