Note 2 - Marketable Securities and Investment Other Securities - Assets Valued at Fair Value (Details) - USD ($)	12 Months Ended
Sep. 30, 2022	Sep. 30, 2021
Fair Value, Inputs, Level 1 [Member]
Balance	$ 33,351	$ 26,472
Change in value of equities	(33,351)	6,879
Additional Investment	0	0
Balance	0	33,351
Fair Value, Inputs, Level 2 [Member]
Balance	0	0
Change in value of equities		0
Additional Investment		0
Balance	0	0
Fair Value, Inputs, Level 3 [Member]
Balance	33,351	26,472
Change in value of equities	(33,351)	6,879
Additional Investment	0	0
Balance	$ 0	$ 33,351

Amount of addition (reduction) to the amount at which an instrument classified in shareholders' equity could be incurred (settled) in a current transaction between willing parties.

No definition available.

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- Definition

Gross additions to the investment in and advance to the affiliate.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 6
-Subparagraph (SX 210.12-14.1(b)(3))
-URI https://asc.fasb.org/extlink&oid=122147990&loc=d3e611322-123010

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- Definition

Value of the other investment not readily marketable determined by management based upon fair value methods, including pricing of similar securities and valuation techniques, that was used to record the investment for financial reporting purposes.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 940
-SubTopic 820
-Section 50
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=35710923&loc=d3e45360-110995

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