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Description of Business - Additional Information (Detail) - $ / shares | Sep. 14, 2020 | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | --- | --- | ---
Description Of Business [Line Items] |  |  |  |
Convertible preferred stock, par value |  | $ 0.001 |  |
Common stock par value |  | $ 0.001 | $ 0.001 | $ 0.001
Percentage of common stockholders receive cash and other assets |  | 50.00% |  |
Series X and Series X1 Non-voting Convertible Preferred Stock [Member] |  |  |  |
Description Of Business [Line Items] |  |  |  |
Convertible preferred stock, par value |  |  | $ 0.001 |
Anelixis [Member] |  |  |  |
Description Of Business [Line Items] |  |  |  |
Date of acquisition | Sep. 14, 2020 |  |  |

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