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Equity Incentive Plan - Summary of Fair Value of Each Stock Option Issued Estimated on the Date of Grant Using the Black-Scholes Option Pricing Model (Detail)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected volatility, Minimum 81.20% 78.80%
Expected volatility, Maximum 82.40% 85.90%
Risk-free interest rate, Minimum 3.47% 1.49%
Risk-free interest rate, Maximum 4.85% 4.19%
Minimum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 5 years 6 months 5 years 6 months
Maximum [Member]    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Expected term (in years) 6 years 29 days 6 years 29 days