Warrants - Fair Value of Warrants (Details)	Jan. 31, 2026 yr $ / shares	Jan. 31, 2025 yr $ / shares
Common Stock Warrant \| Expected term (years)
Class of Warrant or Right [Line Items]
Warrants, measurement input \| yr	4.24	5.24
Common Stock Warrant \| Expected volatility
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.5500	0.5440
Common Stock Warrant \| Risk-free interest rate
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.0370	0.0442
Common Stock Warrant \| Expected dividends
Class of Warrant or Right [Line Items]
Warrants, measurement input	0	0
Common Stock Warrant \| Fair value of common stock
Class of Warrant or Right [Line Items]
Warrants, measurement input \| $ / shares	8.68	14.04
Series G Warrant \| Expected term (years)
Class of Warrant or Right [Line Items]
Warrants, measurement input \| yr	4.86	5.50
Series G Warrant \| Expected volatility
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.5500	0.5340
Series G Warrant \| Risk-free interest rate
Class of Warrant or Right [Line Items]
Warrants, measurement input	0.0375	0.0442
Series G Warrant \| Expected dividends
Class of Warrant or Right [Line Items]
Warrants, measurement input	0	0
Series G Warrant \| Fair value of common stock
Class of Warrant or Right [Line Items]
Warrants, measurement input \| $ / shares	8.68	16.15