Note 12 - Commitments and Contingencies (Details)	12 Months Ended
	Sep. 30, 2018
Mining claims
Other Commitments, Description	A portion of the Company’s mining claims on the Company’s properties are subject to lease and option agreements with various terms, obligations, and royalties payable in certain circumstances.
Claim Maintenance Fees
Other Commitments, Description	The Company pays federal and county claim maintenance fees on unpatented claims that are included in the Company’s mineral exploration properties. Should the Company continue to explore all of the Company’s mineral properties, it expects annual fees to total approximately $255,500 per year in the future, or which $105,778 is for the two joint venture mineral property interests (See Note 4).
Real Estate Commitments
Other Commitments, Description	As of September 30, 2018, the Company has real estate lease commitments for certain mineral properties totaling $82,000. The Company’s office in Coeur d’Alene, Idaho and its facilities in Eureka, Nevada are rented on a month-to-month basis.