| Schedule of property and equipment |
| | | | | | | | | March 31, | | December 31, | | | 2023 | | 2022 | Lab equipment | | $ | 19,110,736 | | $ | 18,060,058 | Leasehold improvements | | | 2,495,585 | | | 2,495,585 | Construction-in-process | | | 1,011,913 | | | 2,053,335 | Computers | | | 502,084 | | | 502,084 | Furniture and fixtures | | | 303,649 | | | 286,739 | Vehicles | | | 44,562 | | | 44,562 | Total | | | 23,468,529 | | | 23,442,363 | Accumulated depreciation | | | (4,037,821) | | | (2,961,988) | Property and equipment, net | | $ | 19,430,708 | | $ | 20,480,375 |
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