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Inventories (Details) - USD ($) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Total concentrate inventory | $ 138,156 | $ 321,061
Total supplies inventory | 75,566 | 81,476
Total | 213,722 | 402,537
Concentrate Inventory |  |
In process | 41,082 | 90,743
Finished Goods |  |
Finished goods | 97,074 | 230,318
Mine Parts And Supplies |  |
Mine parts and supplies | 54,998 | 52,600
Mill Parts And Supplies |  |
Mine parts and supplies | $ 20,568 | $ 28,876

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