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Note 1 - Organization and Business (Details Textual) $ in Millions | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) | Dec. 31, 2024 USD ($) a | Jul. 31, 2024 USD ($) | 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% |  |  |
Expected Cash Needed | $ | $ 248.1 | $ 248.1 |  |  |
Equity Method Investment, Entity Shares of Expenditures, Amount | $ | $ 74.5 | 74.5 |  |  |
Exploration Budget, Funded Amount | $ |  | $ 78.6 |  |  |
Contribution of Unbudgeted Cash | $ |  |  | $ 4.1 |  |
The Joint Venture Company [Member] | KG Mining [Member] |  |  |  |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage |  | 70.00% |  |  |
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% |  |  |

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