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Note 7 - Derivative Liabilities - Fair Value of Derivative Liability (Details)

v3.23.3

Note 7 - Derivative Liabilities - Fair Value of Derivative Liability (Details) - Fair Value, Inputs, Level 3 [Member] - Derivative Financial Instruments, Liabilities [Member] - USD ($)	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Oct. 09, 2021	Oct. 01, 2020
Series F Warrant Derivative [Member]
Beginning balance at September 30, 2021	$ 1,000,000
Beginning balance at September 30, 2020	0	$ 1,000,000	$ 1,000,000	$ 1,000,000
Issuances	0	0
Adjustments to estimated fair value	(1,000,000)	0
Ending balance at September 30, 2022	0	1,000,000
Series G Warrant Derivative [Member]
Beginning balance at September 30, 2021	748,275
Beginning balance at September 30, 2020	748,275	748,275	748,275	748,275
Issuances	0	0
Adjustments to estimated fair value	0	0
Ending balance at September 30, 2022	748,275	748,275
Series H Warrant Derivative [Member]
Beginning balance at September 30, 2021	459,200
Beginning balance at September 30, 2020	459,200	459,200	$ 459,200	$ 568,144
Issuances	0	0
Adjustments to estimated fair value	0	(108,944)
Ending balance at September 30, 2022	$ 459,200	$ 459,200

- 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

+ Details

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Period Type:	duration

- 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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

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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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (b)
-SubTopic 10
-Topic 820
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-3

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