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Stockholders Equity and Stock Options - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Stockholders' Equity Note [Abstract]    
Number of shares, Outstanding 3,071,528  
Number of shares, Granted 1,748,200  
Number of shares, Exercised (11,466)  
Number of shares, Forfeited/Expired (534,760)  
Number of shares, Outstanding 4,273,502 3,071,528
Number of shares, Exercisable as of December 31, 2023 1,930,100  
Number of shares, Vested and expected to vest as of December 31, 2023 4,273,502  
Weighted average exercise price, balance $ 12.13  
Weighted average exercise price, Granted 4.68  
Weighted average exercise price, Exercised 2.93  
Weighted average exercise price, Forfeited/Expired 12.52  
Weighted average exercise price, balance 9.06 $ 12.13
Weighted average exercise price, Exercisable as of December 31, 2023 12.55  
Weighted average exercise price, Vested and expected to vest as of December 31, 2023 $ 9.06  
Weighted average remaining contractual term, outstanding 7 years 9 months 18 days 7 years 7 months 6 days
Weighted average remaining contractual term, Exercisable as of December 31, 2023 6 years 7 months 6 days  
Weighted average remaining contractual term, Vested and expected to vest as of December 31, 2023 7 years 9 months 18 days  
Aggregate intrinsic value, outstanding as of December 31, 2023 $ 0.9  
Aggregate intrinsic value, exercisable as of December 31, 2023 0.2  
Aggregate intrinsic value, Vested and expected to vest as of December 31, 2023 $ 0.9