| Schedule of property and equipment |
| | | | | | | | | September 30, | | December 31, | | | 2025 | | 2024 | Equipment & installation | | $ | 1,096,979 | | $ | 1,096,979 | Leasehold improvements | | | 117,512 | | | 117,512 | Trucking equipment | | | 911,377 | | | 911,377 | Lab equipment | | | 747,469 | | | 725,626 | Office equipment, computer equipment and software | | | 3,426 | | | 1,874 | Total equipment | | | 2,876,763 | | | 2,853,368 | | | | | | | | Less: accumulated depreciation | | | (2,141,961) | | | (2,047,680) | Construction in process | | | 1,545,000 | | | 1,545,000 | Property and equipment, net | | $ | 2,279,802 | | $ | 2,350,688 |
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| | | | | | | | | December 31, | | December 31, | | | 2024 | | 2023 | Equipment & installation | | $ | 1,096,979 | | $ | 1,095,139 | Leasehold improvements | | | 117,512 | | | 101,821 | Trucking equipment | | | 911,377 | | | 845,102 | Lab equipment | | | 725,626 | | | — | Office equipment, computer equipment and software | | | 1,874 | | | 1,874 | Total equipment | | | 2,853,368 | | | 2,043,936 | | | | | | | | Less: accumulated depreciation | | | (2,047,680) | | | (2,035,978) | Construction in process | | | 1,545,000 | | | 1,588,000 | Property and equipment, net | | $ | 2,350,688 | | $ | 1,595,958 |
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