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v3.25.1

Fair Value Measurements - Summary of Significant Unobservable Inputs Used in Valuing Developmental Milestone Derivative Liabilities (Detail) $ in Thousands | Mar. 31, 2025 USD ($) yr | Dec. 31, 2024 USD ($) yr
--- | --- | ---
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Fair Value | $ | $ 4,800 | $ 3,150
Level 3 [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Fair Value | $ | $ 4,800 | $ 3,150
Level 3 [Member] | Probability of Achieving Certain Development Milestones [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.28 | 0.28
Level 3 [Member] | Probability of Achieving Certain Development Milestones [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.70 | 0.70
Level 3 [Member] | Probability of Achieving Certain Development Milestones [Member] | Average [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.49 | 0.49
Level 3 [Member] | Volatility [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.90 | 0.85
Level 3 [Member] | Volatility [Member] | Average [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.90 | 0.85
Level 3 [Member] | Discount Rate [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.039 | 0.042
Level 3 [Member] | Discount Rate [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.041 | 0.043
Level 3 [Member] | Discount Rate [Member] | Average [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.04 | 0.043
Level 3 [Member] | Timing of Achieving Certain Development Milestones [Member] | Minimum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 0.8 | 1
Level 3 [Member] | Timing of Achieving Certain Development Milestones [Member] | Maximum [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 3.4 | 3.7
Level 3 [Member] | Timing of Achieving Certain Development Milestones [Member] | Average [Member] |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative Liabilities, Unobservable Input | 2.1 | 2.3

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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. 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