Quarterly report [Sections 13 or 15(d)]

Note 4 - Fair Value Measurements - Schedule of Valuation Approach and Technique (Details)

v3.25.1
Note 4 - Fair Value Measurements - Schedule of Valuation Approach and Technique (Details) - Fair Value, Inputs, Level 3 [Member] - Embedded Derivative Financial Instruments [Member] - Valuation, Scenario-based [Member]
Mar. 31, 2025
Sep. 30, 2024
Minimum [Member] | Measurement Input, Discount Rate [Member]    
Measurement input   0.121
Minimum [Member] | Measurement Input, Probability of Change of Control [Member]    
Measurement input 1 0.60
Maximum [Member] | Measurement Input, Discount Rate [Member]    
Measurement input   0.123
Maximum [Member] | Measurement Input, Probability of Change of Control [Member]    
Measurement input   0.90