Note 6 - Oil and Natural Gas Properties (Details) - USD ($)	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024
Details
Gain on sale of assets	$ 0	$ 525,000

Amount of gain (loss) on sale or disposal of assets utilized in financial service operations.

No definition available.

Name:	us-gaap_GainsLossesOnSalesOfAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration