ACQUISITION (Details) (Tetlin, USD $) In Millions, unless otherwise specified	Sep. 30, 2014
Acquisition of Royalty Interest in Mineral Properties
Total purchase amount	$ 6.0
NSR Royalty 1
Acquisition of Royalty Interest in Mineral Properties
Percentage of royalty interests acquired	2.00%
NSR Royalty 2
Acquisition of Royalty Interest in Mineral Properties
Percentage of royalty interests acquired	3.00%

The value of all consideration given or received by the Entity in the significant acquisition or disposal.

No definition available.

Name:	us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant