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Stockholders Equity and Stock Options - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2024
Dec. 31, 2023
Stockholders' Equity Note [Abstract]    
Number of shares, Outstanding 4,273,502  
Number of shares, Options granted 1,580,377  
Number of shares, Exercised (356)  
Number of shares, Options forfeited/expired (5,000)  
Number of shares, Outstanding 5,848,523 4,273,502
Number of shares, Exercisable as of March 31, 2024 2,419,698  
Number of shares, Vested and expected to vest as of March 31, 2024 5,848,523  
Weighted average exercise price, balance $ 9.06  
Weighted average exercise price, Options granted 4.42  
Weighted average exercise price, Exercised 2.95  
Weighted average exercise price, Options forfeited/expired 11.38  
Weighted average exercise price, balance 7.81 $ 9.06
Weighted average exercise price, Exercisable as of March 31, 2024 11.39  
Weighted average exercise price, Vested and expected to vest as of March 31, 2024 $ 7.81  
Weighted average remaining contractual term, outstanding 8 years 1 month 6 days 7 years 9 months 18 days
Weighted average remaining contractual term, Exercisable as of March 31, 2024 6 years 8 months 12 days  
Weighted average remaining contractual term, Vested and expected to vest as of March 31, 2024 8 years 1 month 6 days  
Aggregate intrinsic value, outstanding $ 11.0  
Aggregate intrinsic value, exercisable as of March 31, 2024 1.5  
Aggregate intrinsic value, Vested and expected to vest as of March 31, 2024 $ 11.0