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4. Joint Ventures (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014
Details
Joint venture receivables, detail of accounts receivable	$ 37,554njmc_JointVentureReceivablesDetailOfAccountsReceivable	$ 72,696njmc_JointVentureReceivablesDetailOfAccountsReceivable

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Joint venture receivables, detail of accounts receivable

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No definition available.

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