XML 29 R57.htm IDEA: XBRL DOCUMENT v2.4.1.9
5. Property, Plant and Equipment (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Details    
Interest expense, mill $ 25,021njmc_InterestExpenseMill  
Vehicle cost basis 5,930njmc_VehicleCostBasis  
Drill cost basis 265,316njmc_DrillCostBasis  
Drill disposal price 66,826njmc_DrillDisposalPrice  
Net loss (gain) on sale of equipment 34,878us-gaap_GainLossOnSaleOfPropertyPlantEquipment (108,208)us-gaap_GainLossOnSaleOfPropertyPlantEquipment
Ball mill cost basis 9,850njmc_BallMillCostBasis  
Gain loss on sale of other equipment 850njmc_GainLossOnSaleOfOtherEquipment  
Vehicle cost basis 240,055njmc_OtherDisposedEquipmentCostBasis  
Other disposed equipment disposal price 112,000njmc_OtherDisposedEquipmentDisposalPrice  
Gain (Loss) on Disposition of Assets for Financial Service Operations 112,000us-gaap_GainsLossesOnSalesOfAssets  
Cash received for land interest 10,000njmc_CashReceivedLandInterest 24,000njmc_CashReceivedLandInterest
Accumulated Amortization of Other Deferred Costs 91,625us-gaap_AccumulatedAmortizationOfOtherDeferredCosts 65,258us-gaap_AccumulatedAmortizationOfOtherDeferredCosts
Purchase and sale agreement, property 425,000njmc_PurchaseSaleAgreementOriginalPrice  
Purchase and sale agreement, down payment 125,000njmc_PurchaseSaleAgreementDownPayment  
Purchase and sale agreement, scheduled payment $ 125,000njmc_PurchaseSaleAgreementScheduledPayment