Fair Value Measurements - Measurement Inputs (Details) - Level 3	Oct. 31, 2025 yr	Jan. 31, 2025 yr
Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.500	0.550
Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0.037	0.041
Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	2.9	3.9
Dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants, measurement input	0	0
Discount factor
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.090
Minimum | Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.578
Minimum | Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.041
Minimum | Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.70
Minimum | Time from conversion to maturity (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.65
Maximum | Volatility
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.726
Maximum | Risk-free interest rate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		0.042
Maximum | Expected term (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		1.70
Maximum | Time from conversion to maturity (in years)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Embedded derivative liability, measurement input		1.65