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Financial Instruments and Fair Value Measurements - Unobservable Inputs (Details)	Sep. 30, 2025 $ / shares decimal	Dec. 31, 2024 $ / shares decimal
Stock price (in usd per share)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input | $ / shares	1.97	1.48
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	1.000	1.030
Risk-free rate (continuous)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0.036	0.042
Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input | decimal	0.25	0.58
Dividend yield (continuous)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Measurement input	0	0

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