XML 19 R22.htm IDEA: XBRL DOCUMENT v2.4.0.6

Schedule of Collaborative Arrangements and Non-collaborative Arrangement Transactions (Details)	6 Months Ended
	Jun. 30, 2012
Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 1	67.00%
Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 2	71.00%
Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 3	50.00%
Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 4	50.00%

X

- Definition

Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 4

+ References

No definition available.

+ Details

Name:	njmc_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsZeroFiveSevenFiveZerofcXOneKvTwoBwHThreeD
Namespace Prefix:	njmc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 1

+ References

No definition available.

+ Details

Name:	njmc_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsZeroFiveSevenFiveZeroOneOneKxsTxTwozHrSix
Namespace Prefix:	njmc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 2

+ References

No definition available.

+ Details

Name:	njmc_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsZeroFiveSevenFiveZerorJGVZcfTmPLTwo
Namespace Prefix:	njmc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Joint Venture Partnerships Schedule Of Collaborative Arrangements And Non-collaborative Arrangement Transactions 3

+ References

No definition available.

+ Details

Name:	njmc_ScheduleOfCollaborativeArrangementsAndNoncollaborativeArrangementTransactionsZeroFiveSevenFiveZeroXDwmxGdSHFvn
Namespace Prefix:	njmc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration