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Stock Option Plans - Schedule of the assumptions employed in the calculation of the fair value of share-based compensation expense (Detail) - USD ($)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Schedule Of Share Based Compensation Stock Options Activity [Line Items]    
Risk free interest rate minimum 4.10% 4.05%
Risk free interest rate maximum 4.35% 4.89%
Dividend yield 0.00% 0.00%
Expected term 6 years 4 years 10 months 24 days
Expected stock volatility minimum 100.10% 91.90%
Expected stock volatility maximum 103.00% 99.70%
Common Stock [Member]    
Schedule Of Share Based Compensation Stock Options Activity [Line Items]    
Common stock fair value $ 4.76 $ 3.69