BUSINESS AND OPERATIONS OF THE COMPANY (Details)	Dec. 31, 2013
AMAK [Member]
Noncontrolling Interest [Line Items]
Percentage of ownership (in hundredths)	35.00%
Pioche Ely Valley Mines, Inc. ("PEVM) [Member]
Noncontrolling Interest [Line Items]
Percentage of ownership (in hundredths)	55.00%

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

No definition available.

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant