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Note 10 - Investment in Peak Gold, LLC (Details Textual) - USD ($) | 6 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024 | Jun. 30, 2023 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Aug. 01, 2015
Equity Method Investments | $ 28,064,405 | $ 60,523,622 |  |  |  |  |
The Joint Venture Company [Member] |  |  |  |  |  |  |
Equity Method Investment, Aggregate Cost |  |  |  |  |  |  | $ 1,400,000
Equity Method Investment, Total Contributions |  | 106,200,000 |  |  |  |  |
Loss from Equity Method Investments, Unrecorded | 2,100,000 | 41,700,000 | $ 2,800,000 |  |  |  |
Equity Method Investment, Summarized Financial Information, Inception-to-date Cumulative Income (Loss) |  |  | 44,800,000 |  |  |  |
Equity Method Investments | $ 28,064,405 | $ 60,523,622 |  | $ 67,544,376 | $ 54,468,519 | $ 43,374,152 |
Suspended Losses |  |  | $ 0 |  |  |  |

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