Note 3 - Property, Mineral Rights, and Equipment (Details) - USD ($)	9 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Details
Proceeds from lease of mineral rights	$ 78,571	$ 84,313

Amount of cash inflow from lease payment, classified as operating activity.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919320-209978

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=121561866&loc=SL77919327-209978

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