| Schedule of notes payable |
| | March 31, 2026 | | | December 31, 2025 | | Mine Equipment Weighted average interest rate of 7.28%, and weighted average remaining term of 2.4 years as of March 31, 2026 | | $ | 1,313,304 | | | $ | 1,581,098 | | Mill Equipment Weighted average interest rate of 8.06%, and weighted average remaining term of 3.2 years as of March 31, 2026 | | | 499,444 | | | | 535,766 | | Buildings/Land Weighted average interest rate of 7.00%, and weighted average remaining term of 1.2 years as of March 31, 2026 | | | 210,752 | | | | 214,520 | | Total notes payable | | | 2,023,500 | | | | 2,331,384 | | Due within one year | | | 879,822 | | | | 1,029,336 | | Due after one year | | $ | 1,143,678 | | | $ | 1,302,048 | |
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| Schedule of future principal payment of debt |
For the twelve-months ended: | | | | March 31, 2027 | | $ | 879,822 | | March 31, 2028 | | | 681,988 | | March 31, 2029 | | | 221,433 | | March 31, 2030 | | | 168,745 | | March 31, 2031 | | | 71,512 | | Total | | $ | 2,023,500 | |
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