10-Q PROPERTY, PLANT AND EQUIPMENT, NET AND MINERAL RIGHTS (Details) - USD ($) |
Mar. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|---|---|---|---|
| Property, Plant and Equipment [Abstract] | |||
| Land | $ 6,328,338 | $ 6,328,338 | $ 0 |
| Real property leased to third parties | 3,298,312 | 3,298,311 | 3,298,311 |
| Property, plant and equipment for mineral processing | 27,644,745 | 27,644,745 | 27,644,744 |
| Other property and equipment | 5,221,158 | 4,438,657 | 4,367,229 |
| Accumulated depreciation | (27,284,196) | (27,146,379) | (26,685,584) |
| Total property, plant and equipment, net | $ 15,208,357 | $ 14,563,672 | $ 8,624,700 |