v3.25.2
Stock-Based Compensation - Schedule of Assumptions Used in Black-Scholes Option-Pricing Model to Determine Grant-date Fair Value of Stock Options Granted (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Risk-free interest rate (in percentage)     4.00% 4.40% 4.20% 4.20%
Expected term (in years)     6 years 1 month 6 days 6 years 1 month 6 days 6 years 1 month 6 days 6 years 1 month 6 days
Expected volatility (in percentage)     103.70% 96.50% 103.80% 96.00%
Expected dividend yield (in percentage)     0.00% 0.00% 0.00% 0.00%
Class C Warrant Liability            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Risk-free interest rate (in percentage) 3.70% 4.20%        
Expected term (in years) 2 years 4 months 24 days 2 years 10 months 24 days        
Expected volatility (in percentage) 122.20% 117.50%        
Expected dividend yield (in percentage) 0.00% 0.00%