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Risks and Fair Value - The main inputs to valuing the Royalty Fee Derivative Liability (Details) - Royalty Fee Derivative Liability - Level 3 | Sep. 30, 2025 | Dec. 31, 2024
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Revenue volatility |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Derivative Liability, Measurement Input | 0.614 | 0.64
Revenue discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques |  |
Derivative Liability, Measurement Input | 0.153 | 0.16

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