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v3.25.2

Investments - Additional Information (Detail) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | ---
Jun. 27, 2024 | Jan. 31, 2022 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($)
Schedule Of Investments [Line Items] |  |  |  |  |  |  |  |
Purchase of available-for-sale securities |  |  |  |  |  | $ 88,127,000 |  |
Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |  |
Schedule Of Investments [Line Items] |  |  |  |  |  |  |  |
Accrued interest receivable |  |  |  | $ 900,000 |  | $ 900,000 |  | $ 1,000,000
Convertible Promissory Note | Thirona Bio, Inc. |  |  |  |  |  |  |  |
Schedule Of Investments [Line Items] |  |  |  |  |  |  |  |
Hypothetical yield percentage |  |  |  | 38 |  | 38 |  | 28
Volatility percentage |  |  |  | 70 |  | 70 |  | 70
Interest on available for sale investment |  |  |  | $ 0 | $ 0 | $ 0 | $ 0 |
Investment securities |  |  |  | 6,600,000 |  | 6,600,000 |  | $ 6,300,000
Recognized gain (loss) |  |  |  |  | (1,600,000) |  | (1,600,000) |
Unrealized holding gain |  |  |  | $ 200,000 |  | $ 300,000 |  |
Purchase of available-for-sale securities |  | $ 5,000,000 | $ 3,000,000 |  |  |  |  |
Interest rate |  |  | 6.00% |  |  |  |  |
Principal amount |  |  |  |  | $ 8,000,000 |  | $ 8,000,000 |
Increased interest rate | 10.00% |  |  |  |  |  |  |

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