XML 139 R32.htm IDEA: XBRL DOCUMENT
v3.23.1

Description of Business (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2022
Description of Business |
Entity Incorporation, Date | July 18, 1996

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

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