Note 8 - Derivative Liabilities - Fair Value of Derivative Liability (Details) - Fair Value, Inputs, Level 3 [Member] - Derivative Financial Instruments, Liabilities [Member] - USD ($) |
3 Months Ended | |
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Dec. 31, 2022 |
Dec. 31, 2021 |
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Series G Warrant Derivative [Member] | ||
Beginning balance at September 30, 2022 | $ 748,275 | $ 748,275 |
Beginning balance at September 30, 2021 | 748,275 | 748,275 |
Adjustments to estimated fair value | 0 | 0 |
Issuances | 0 | |
Ending balance at December 31, 2022 | 748,275 | 748,275 |
Series F Warrant Derivative [Member] | ||
Beginning balance at September 30, 2022 | 1,000,000 | |
Beginning balance at September 30, 2021 | 1,000,000 | |
Adjustments to estimated fair value | 0 | |
Issuances | 0 | |
Ending balance at December 31, 2022 | 1,000,000 | |
Series H Warrant Derivative [Member] | ||
Beginning balance at September 30, 2022 | 459,200 | 459,200 |
Beginning balance at September 30, 2021 | 459,200 | 459,200 |
Adjustments to estimated fair value | 0 | 0 |
Issuances | 0 | |
Ending balance at December 31, 2022 | $ 459,200 | $ 459,200 |
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- Definition Amount of gain (loss) recognized in income from derivative asset (liability) after deduction of derivative liability (asset), 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 issuances of financial instrument classified as a derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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