XML 26 R40.htm IDEA: XBRL DOCUMENT v2.4.0.8

10. Acquisition Gf&h Company (Details) (USD $)	9 Months Ended
	Sep. 30, 2014
Details
Subsidiary expenses, detail	$ 1,731

X

- Definition

Subsidiary expenses, detail

+ References

No definition available.

+ Details

Name:	njmc_SubsidiaryExpensesDetail
Namespace Prefix:	njmc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_TextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration