XML 32 R14.htm IDEA: XBRL DOCUMENT
v3.22.1

Joint Venture Arrangements | 12 Months Ended
--- | ---
Dec. 31, 2021
Joint Venture Arrangements |
Joint Venture Arrangements | 8. Joint Venture Arrangements New Jersey Mill Venture Agreement (“NJMJV”) In January 2011, the Company and United Mine Services, Inc. (“UMS”) now Crescent Silver, LLC (Crescent) entered into a joint venture agreement relating to the New Jersey mineral processing plant. To earn a 35 percent interest in the venture, UMS provided $3.2 million funding to expand the processing plant to 15 tonnes/hr. The Company is the operator of the venture and charges operating costs to Crescent for milling its ore up to 7,000 tonnes/month, retain a milling capacity of 3,000 tonnes/month, and as the operator of the venture receive a fee of $2.50/tonne milled. As of December 31, 2021, and 2020, an account receivable existed with the Mill Joint Venture from Crescent for $4,442 and $4,177, respectively. Butte Highlands Joint Venture On January 29, 2016, the Company purchased a 50% interest in Butte Highlands JV, LLC (“BHJV”) for a total consideration of $435,000. Highland Mining, LLC (“Highland”) is the other 50% owner and manager of the joint venture. Under the operating agreement, Highland will fund all future project exploration and mine development costs. The Agreement stipulates that Highland is manager of BHJV and will manage BHJV until such time as all mine development costs, less $2 million are distributed to Highland out of the proceeds from future mine production. The Company has determined that because it does not currently have significant influence over the joint venture’s activities, it will account for its investment on a cost basis.

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

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