Note 10 - Investment in Peak Gold JV - Roll-forward of Investment in the Joint Venture Company (Details) - USD ($) |
3 Months Ended | 12 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Dec. 31, 2024 |
Sep. 30, 2024 |
Jun. 30, 2024 |
Mar. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Schedule of Equity Method Investments [Line Items] | ||||||||||
| Investment balance | $ 60,523,622 | $ 60,523,622 | ||||||||
| Investment in Peak Gold, LLC | 0 | $ 31,290,000 | ||||||||
| Income (loss) from equity investment in Peak Gold, LLC | 88,585,112 | 41,669,216 | ||||||||
| Investment balance | $ 47,108,733 | $ 60,523,622 | 47,108,733 | 60,523,622 | ||||||
| The Joint Venture Company [Member] | ||||||||||
| Schedule of Equity Method Investments [Line Items] | ||||||||||
| Investment balance | 52,703,265 | $ 56,169,840 | $ 58,843,656 | 60,523,622 | 67,544,376 | $ 54,468,519 | $ 43,374,152 | $ 28,064,405 | 60,523,622 | 28,064,405 |
| Investment in Peak Gold, LLC | 4,050,000 | 11,790,000 | 15,450,000 | |||||||
| Distributions received from Peak Gold, LLC | (15,000,000) | (33,000,000) | (30,000,000) | (24,000,000) | (21,000,000) | (19,500,000) | ||||
| Income (loss) from equity investment in Peak Gold, LLC | 9,405,468 | 29,533,425 | 27,326,184 | 22,320,034 | 13,979,246 | 28,525,857 | (695,633) | (140,253) | ||
| Investment balance | $ 47,108,733 | $ 52,703,265 | $ 56,169,840 | $ 58,843,656 | $ 60,523,622 | $ 67,544,376 | $ 54,468,519 | $ 43,374,152 | $ 47,108,733 | $ 60,523,622 |