XML 106 R32.htm IDEA: XBRL DOCUMENT
v3.22.2.2

Sales of Products (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Sales of Products |
Schedule of sales of products by metal |
|  | 2021 |  |  | 2020 |
Gold |  | $ | 8,156,948 |  |  | $ | 6,102,115 |
Silver |  |  | 24,689 |  |  |  | 10,699 |
Less: Smelter and refining charges |  |  | (551,221 | ) |  |  | (437,867 | )
Total |  | $ | 7,630,416 |  |  | $ | 5,674,947 |
Schedule of sales by significant product type |
|  | 2021 |  |  | 2020 |
Concentrate sales to H&H Metal |  | $ | 7,285,651 |  |  | $ | 5,384,597 |
Dore’ sales to refineries |  |  | 344,765 |  |  |  | 290,350 |
Total |  | $ | 7,630,416 |  |  | $ | 5,674,947 |

X
- References No definition available. + Details
Name: | njmc_SalesOfProductsAbstract
Namespace Prefix: | njmc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | njmc_ScheduleOfSalesBySignificantProductTypeTableTextBlock
Namespace Prefix: | njmc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | njmc_ScheduleOfSalesOfProductsByMetalTableTextBlock
Namespace Prefix: | njmc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration