Note 1 - Organization and Business (Details Textual) - a	Mar. 31, 2025	May 17, 2023	Sep. 30, 2020
State of Alaska Located Near Tidewater [Member] | Johnson Tract Project [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	21,000
Contango Minerals [Member] | State of Alaska Mining Claims Located North and Northwest of Tetlin Lease [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	145,280
Contango Minerals [Member] | State of Alaska Mining Claims Located Near Eagle/Hona Property [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	69,780
Contango Minerals [Member] | State of Alaska Mining Claims Located Near Triple Z Property [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	14,800
Contango Minerals [Member] | State of Alaska Mining Claims Located in Richardson District [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	52,700
Contango Minerals [Member] | State of Alaska Mining Claims Located North and East of Lucky Shot Property [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	8,000
Avidian Gold Alaska Inc. [Member] | State of Alaska Mining Claims and Upland Mining Leases [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	11,711
Avidian Gold Alaska Inc. [Member] | Located in Fairbanks Mining District [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	1,021
Avidian Gold Alaska Inc. [Member] | Valdez Creek Mining District on Eastern Edge of Alaska Range [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	10,690
Avidian Gold Alaska Inc. [Member] | State of Alaska Mining Claims, Leasehold Locations And Upland Mining Lease Located In Fairbanks Mining District [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	3,380
Alaska Hard Rock Lease [Member] | Alaska Gold Torrent, LLC [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	8,600
Peak Gold, LLC [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	30.00%	30.00%
Peak Gold, LLC [Member] | KG Mining [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage			30.00%
The Joint Venture Company [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	30.00%
The Joint Venture Company [Member] | KG Mining [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage by Other Owner	70.00%
The Joint Venture Company [Member] | State of Alaska Mining Claims for Exploration and Development [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	13,000
The Joint Venture Company [Member] | Tetlin Lease [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Area of Land (Acre)	675,000
HighGold Mining Inc. [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
JT Mining, Inc. [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
Royal Alaska, LLC [Member] | KG Mining [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	100.00%
Royal Gold [Member] | Peak Gold, LLC [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	40.00%
CORE Alaska, LLC [Member] | Peak Gold, LLC [Member]
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Equity Method Investment, Ownership Percentage	30.00%