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

v3.22.4

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 for the expiration of warrant	(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 for the expiration of warrant	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 for the expiration of warrant	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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258

+ 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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258

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