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Description of Business - Additional Information (Detail) - $ / shares | Sep. 14, 2020 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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Description Of Business [Line Items] |  |  |  |  |  |  |  |
Preferred stock, par value |  |  | $ 0.001 |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  | $ 0.001 | $ 0.001 |  |  |  | $ 0.001 |
Percentage of common stockholders receive cash and other assets |  | 50.00% | 50.00% |  |  |  |  |
Series X Non-Voting Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |
Description Of Business [Line Items] |  |  |  |  |  |  |  |
Preferred stock, par value |  | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001
Series X One Non Voting Convertible Preferred Stock |  |  |  |  |  |  |  |
Description Of Business [Line Items] |  |  |  |  |  |  |  |
Preferred stock, par value |  | $ 0.001 |  |  |  |  |  |
Anelixis [Member] |  |  |  |  |  |  |  |
Description Of Business [Line Items] |  |  |  |  |  |  |  |
Date of acquisition | Sep. 14, 2020 |  |  |  |  |  |  |

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