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11. Equity: Common Stock Purchase Warrant Transactions (Details) (USD $) | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
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Details |  |  |
Class of Warrant or Right, Outstanding | 21,200,000 us-gaap_ClassOfWarrantOrRightOutstanding | 11,000,000 us-gaap_ClassOfWarrantOrRightOutstanding | 5,961,550 us-gaap_ClassOfWarrantOrRightOutstanding
Exercise price, private placement warrants |  | $ 0.15 njmc_ExercisePricePrivatePlacementWarrants | $ 0.30 njmc_ExercisePricePrivatePlacementWarrants
Warrants Issued in connection with private placement | $ 10,200,000 njmc_WarrantsIssuedInConnectionWithPrivatePlacement | $ 11,000,000 njmc_WarrantsIssuedInConnectionWithPrivatePlacement |
Exercise price, private placement warrants | $ 0.15 njmc_ExercisePricePrivatePlacementWarrants1 | $ 0.15 njmc_ExercisePricePrivatePlacementWarrants1 |
Warrants Issued in connection with private placement |  | $ (5,961,550)njmc_WarrantsExpired |
Exercise price, private placement warrants expired |  | $ 0.30 njmc_ExercisePricePrivatePlacementWarrantsExpired |
Exercise price, private placement warrants | $ 0.10 njmc_ExercisePricePrivatePlacementWarrants1Min |  |
Exercise price, private placement warrants | $ 0.20 njmc_ExercisePricePrivatePlacementWarrants1Max |  |
Exercise price, private placement warrants | $ 0.10 njmc_ExercisePricePrivatePlacementWarrants1Min |  |
Exercise price, private placement warrants | $ 0.20 njmc_ExercisePricePrivatePlacementWarrants1Max |  |

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- Definition Number of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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