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Net Loss per Share - Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders (Detail) - shares
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Antidilutive securities excluded from computation of earnings per share, amount 18,147,341 3,202,377
Stock Option [Member]    
Antidilutive securities excluded from computation of earnings per share, amount 4,144,367 3,202,377
Warrant [Member]    
Antidilutive securities excluded from computation of earnings per share, amount 14,002,974