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2. Summary of Significant Accounting Policies: Accounting For Investments in Joint Ventures: Schedule of Cost Method Investments (Details)	Dec. 31, 2014	Dec. 31, 2013
Details
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investment owned percentage of net assets 2	48.00%njmc_InvestmentOwnedPercentageOfNetAssets2	48.00%njmc_InvestmentOwnedPercentageOfNetAssets2

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- Definition

Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

+ References

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Percent of net assets at close of period. For schedules of investments that are categorized, each category has a percent of net assets for the aggregated value of the Investments in the category.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 12C

-Paragraph 2

-Article 12



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

-Paragraph 1

-Subparagraph (SX 210.12-12.3)

-URI http://asc.fasb.org/extlink&oid=34726532&loc=d3e611133-123010



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-URI http://asc.fasb.org/extlink&oid=34726532&loc=d3e611225-123010



Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Number 210

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 12C

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