Note 1 - Organization and Business (Details Textual) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) a	Nov. 30, 2022 a	Sep. 29, 2020
The Joint Venture Company [Member] | State of Alaska Mining Claims for Exploration and Development [Member]
Area of Land (Acre)	13,000
Contango Minerals [Member] | State of Alaska Mining Claims Located North and Northwest of Tetlin Lease [Member]
Area of Land (Acre)	145,280
Contango Minerals [Member] | State of Alaska Mining Claims Located Near Eagle/Hona Property [Member]
Area of Land (Acre)	69,780	69,000
Contango Minerals [Member] | State of Alaska Mining Claims Located Near Triple Z Property [Member]
Area of Land (Acre)	14,800
Contango Minerals [Member] | State of Alaska Mining Claims Located in Richardson District [Member]
Area of Land (Acre)	52,700
Contango Minerals [Member] | State of Alaska Mining Claims Located North and East of Lucky Shot Property [Member]
Area of Land (Acre)	8,000
Tetlin Lease [Member] | The Joint Venture Company [Member]
Area of Land (Acre)	675,000
Alaska Hard Rock Lease [Member] | Alaska Gold Torrent, LLC [Member]
Area of Land (Acre)	8,600
The Joint Venture Company [Member]
Equity Method Investment, Ownership Percentage	30.00%		30.00%
Expected Cash Needed | $	$ 42.7
Equity Method Investment, Entity Shares of Expenditures, Amount | $	12.8
Exploration Budget, Funded Amount | $	$ 6.1