Equity Incentive Plans - Summary of Fair Values of the Options Granted (Detail) - $ / shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Expected volatility ,Minimum | 100.00% | 93.40% |
| Expected volatility ,Maximum | 104.00% | 111.20% |
| Expected dividend yield | 0.00% | 0.00% |
| Maximum [Member] | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Fair value per share of underlying common stock | $ 51.28 | $ 4.21 |
| Expected term (in years) | 6 years 3 months | 6 years 14 days |
| Risk-free interest rate | 4.26% | 4.90% |
| Minimum [Member] | ||
| Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Fair value per share of underlying common stock | $ 16.09 | $ 2.5 |
| Expected term (in years) | 6 years | 5 years 9 months 21 days |
| Risk-free interest rate | 4.10% | 3.64% |