Note 7 - Asset Retirement Obligation: Schedule of Asset Retirement Obligations (Details) - USD ($)	12 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Details
Beginning balance, accretion	$ 160,588	$ 152,940
Accretion expense	8,031	7,648
Ending balance, accretion	$ 168,619	$ 160,588

Amount of accretion expense, which includes, but is not limited to, accretion expense from asset retirement obligations, environmental remediation obligations, and other contingencies.

No definition available.

Name:	us-gaap_AccretionExpenseIncludingAssetRetirementObligations
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration