Fair Value Measurements - Schedule of Estimates the Fair Value of Warrants (Details)	Sep. 30, 2025	Sep. 30, 2024
Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	1 year	9 months 18 days
Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Expected term (in years)	2 years 6 months	3 years 6 months
Expected volatility \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.974	0.992
Expected volatility \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.975	1.236
Risk-free interest rate \| Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.036	0.036
Risk-free interest rate \| Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.037	0.045
Expected dividend yield
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Warrants and rights outstanding, measurement input	0.0000	0.0000

Serina Therapeutics, Inc. 10-Q