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Note 10 - Investment in Peak Gold, LLC (Tables) | 12 Months Ended
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Dec. 31, 2024
Roll-forward of Equity Method Investment [Table Text Block] | The following table is a roll-forward of our investment in the Peak Gold JV as of December 31, 2024:
|  | Investment |
|  | in Peak Gold, LLC |
Investment balance at December 31, 2023 |  | $ | 28,064,405 |
Investment in Peak Gold LLC |  |  | 15,450,000 |
Loss from equity investment in Peak Gold LLC |  |  | (140,253 | )
Investment balance at March 31, 2024 |  | $ | 43,374,152 |
Investment in Peak Gold LLC |  |  | 11,790,000 |
Loss from equity investment in Peak Gold LLC |  |  | (695,633 | )
Investment balance at June 30, 2024 |  | $ | 54,468,519 |
Investment in Peak Gold LLC |  |  | 4,050,000 |
Distributions received from Peak Gold, LLC |  |  | (19,500,000 | )
Income from equity investment in Peak Gold LLC |  |  | 28,525,857 |
Investment balance at September 30, 2024 |  | $ | 67,544,376 |
Investment in Peak Gold LLC |  |  | — |
Distributions received from Peak Gold, LLC |  |  | (21,000,000 | )
Income from equity investment in Peak Gold LLC |  |  | 13,979,246 |
Investment balance at December 31, 2024 |  | $ | 60,523,622 |
The Joint Venture Company [Member] |
Summarized Balance Sheet of Equity Method Investment [Table Text Block] | The following table presents the condensed balance sheets for the Peak Gold JV as of December 31, 2024 and December 31, 2023 in accordance with US GAAP:
|  | December 31, 2024 |  |  | December 31, 2023 |
ASSETS |  |  |  |  |  |
Current assets |  | $ | 166,365,590 |  |  | $ | 20,303,084 |
Non-current assets |  |  | 218,643,898 |  |  |  | 207,706,448 |
TOTAL ASSETS |  | $ | 385,009,488 |  |  | $ | 228,009,532 |
LIABILITIES AND MEMBERS’EQUITY |  |  |  |  |  |
Current liabilities |  | $ | 45,985,161 |  |  | $ | 23,303,400 |
Non-current liabilities |  |  | 59,031,019 |  |  |  | 32,910,212 |
TOTAL LIABILITIES |  | $ | 105,016,180 |  |  | $ | 56,213,612 |
MEMBERS’ EQUITY |  |  | 279,993,308 |  |  |  | 171,795,920 |
TOTAL LIABILITIES AND MEMBERS’ EQUITY |  | $ | 385,009,488 |  |  | $ | 228,009,532 |
Summarized Income Statement of Equity Method Investment [Table Text Block] | The following table presents the condensed results of operations for the Peak Gold JV for the fiscal year ended December 31, 2024, the six month period ended December 31, 2023 and the fiscal year ended June 30, 2023 in accordance with US GAAP:
|  | Fiscal Year Ended |  |  | Six Months Ended |  |  | Fiscal Year Ended |
|  | December 31, 2024 |  |  | December 31, 2023 |  |  | June 30, 2023 |
Revenue |  | $ | 344,859,461 |  |  | $ | - |  |  | $ | - |
Cost of sales |  |  | (168,125,264 | ) |  |  | — |  |  |  | — |
Gross profit |  |  | 176,734,197 |  |  |  | — |  |  |  | — |
Other expenses |  |  | (37,836,809 | ) |  |  | (6,914,374 | ) |  |  | (9,314,686 | )
Net Income/(Loss) |  | $ | 138,897,388 |  |  | $ | (6,914,374 | ) |  | $ | (9,314,686 | )

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