Equity - Fair value assumptions (Details) - Common Warrants and Pre-Funded Warrants $ in Millions	Mar. 31, 2025 USD ($) $ / shares Y
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of Common Warrants and Pre-Funded Warrants | $	$ 35.6
Stock price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	1.65
Strike price
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	2.25
Volatility (annual)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	1.10
Risk-free rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.0393
Estimated time to expiration (years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input | Y	5
Dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.0000