| Schedule of segment assets |
| | | | | | | Total Assets | | June 30, 2026 | | December 31, 2025 | Antimony segment | | $ | 162,840,666 | | $ | 137,013,360 | Zeolite segment | | | 7,337,869 | | | 5,733,666 | All other | | | 20,438,179 | | | 11,178,643 | Total assets | | $ | 190,616,714 | | $ | 153,925,669 |
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| Schedule of capital expenditures by segment |
| | | | | | | | | | | | | | | Three months ended June 30, | | Six months ended June 30, | Capital expenditures | | 2026 | | 2025 | | 2026 | | 2025 | Antimony segment | | $ | 8,825,924 | | $ | 1,269,129 | | $ | 13,805,980 | | $ | 1,445,411 | Zeolite segment | | | 786,031 | | | 25,970 | | | 979,006 | | | 82,199 | All other | | | 619,799 | | | 5,236,463 | | | 8,028,355 | | | 5,866,463 | Total capital expenditures | | $ | 10,231,754 | | $ | 6,531,562 | | $ | 22,813,341 | | $ | 7,394,073 |
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| Schedule of segment operational information |
| | | | | | | | | | | | | Three months ended June 30, 2026 | | Antimony | | Zeolite | | All Other | | Total | Total revenues | | $ | 6,064,637 | | $ | 1,860,964 | | $ | — | | $ | 7,925,601 | Depreciation and amortization | | | 229,503 | | | 115,602 | | | 170,260 | | | 515,365 | Loss from operations | | | (4,544,394) | | | (421,286) | | | (2,015,220) | | | (6,980,900) | Other income | | | | | | | | | | | | 7,147,704 | Income tax expense | | | | | | | | | | | | — | Equity in losses of joint venture | | | | | | | | | | | | (56,514) | Net income | | | | | | | | | | | $ | 110,290 |
| | | | | | | | | | | | | Three months ended June 30, 2025 | | Antimony | | Zeolite | | All Other | | Total | Total revenues | | $ | 9,636,842 | | $ | 888,281 | | $ | — | | $ | 10,525,123 | Depreciation and amortization | | | 171,040 | | | 98,031 | | | 8,484 | | | 277,555 | Income (loss) from operations | | | 832,735 | | | (122,252) | | | (690,476) | | | 20,007 | Other income | | | | | | | | | | | | 161,548 | Income tax expense | | | | | | | | | | | | — | Net income | | | | | | | | | | | $ | 181,555 |
| | | | | | | | | | | | | Six months ended June 30, 2026 | | Antimony | | Zeolite | | All Other | | Total | Total revenues | | $ | 11,832,793 | | $ | 2,876,877 | | $ | — | | $ | 14,709,670 | Depreciation and amortization | | | 419,252 | | | 229,019 | | | 277,553 | | | 925,824 | Loss from operations | | | (10,238,440) | | | (1,291,856) | | | (2,967,799) | | | (14,498,095) | Other income | | | | | | | | | | | | 3,386,535 | Income tax expense | | | | | | | | | | | | — | Equity in losses of joint venture | | | | | | | | | | | | (72,640) | Net loss | | | | | | | | | | | $ | (11,184,200) |
| | | | | | | | | | | | | Six months ended June 30, 2025 | | Antimony | | Zeolite | | All Other | | Total | Total revenues | | $ | 15,542,151 | | $ | 1,982,977 | | $ | — | | $ | 17,525,128 | Depreciation and amortization | | | 338,591 | | | 205,387 | | | 15,547 | | | 559,525 | Income (loss) from operations | | | 1,976,575 | | | (430,028) | | | (1,168,548) | | | 377,999 | Other income | | | | | | | | | | | | 350,080 | Income tax expense | | | | | | | | | | | | — | Net income | | | | | | | | | | | $ | 728,079 |
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