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