Note 6 - Oil and Natural Gas Properties: Schedule of Oil and Natural Gas Properties (Details) - USD ($)	Sep. 30, 2025	Sep. 30, 2024
Details
Proved, developed properties	$ 300,000	$ 311,000
Less: accumulated depreciation, depletion and impairment	(277,000)	(285,000)
Oil and Gas, Capitalized Cost, after Accumulated Depreciation, Depletion, Amortization, and Valuation Allowance	$ 23,000	$ 26,000

Amount of accumulated depreciation, depletion, amortization, and valuation allowance for capitalized cost in oil- and gas-producing activities.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 932
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 932
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