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Net Loss per Share - Summary of Computation of Diluted Net Loss Per Share Attributable to Common Stockholders (Detail) - shares
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Series A convertible preferred stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 47,628,788 47,628,788
Series A-1 convertible preferred stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 6,500,000 6,500,000
Series B convertible preferred stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 54,689,627 54,689,627
Options to purchase common stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 23,165,393 22,997,639
Warrants to purchase common stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share, amount 377,899 166,371