Note 4 - Fair Value Measurements - Schedule of Reconciliation of Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Inputs, Level 3 [Member] - Embedded Derivative Financial Instruments [Member] - USD ($) |
6 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
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| Balance | $ 1,570,000 | $ 1,331,000 |
| Change in fair value of derivative liabilities | 3,138,316 | (19,000) |
| Extinguishments | (4,708,316) | 0 |
| Balance | $ 0 | $ 1,312,000 |
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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