Stockholders' Deficit - Warrant Modifications (Details)	6 Months Ended
Stockholders' Deficit - Warrant Modifications (Details)	Jun. 30, 2025 $ / shares
Stock-based Compensation
Exercise price	$ 0.29
Expected term (in years)	3 years 2 months 12 days
Volatility	77.00%
Risk-free interest rate	3.80%
Dividend yield	0.00%
Post Modification \| Warrants
Stock-based Compensation
Exercise price	$ 0.29
Expected term (in years)	3 years 1 month 6 days
Volatility	77.00%
Risk-free interest rate	3.90%
Dividend yield	0.00%
Pre Modification \| Warrants
Stock-based Compensation
Exercise price	$ 0.29
Expected term (in years)	2 years 10 months 24 days
Volatility	77.00%
Risk-free interest rate	3.90%
Dividend yield	0.00%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

NORTHWEST BIOTHERAPEUTICS INC 10-Q