Annual report pursuant to section 13 and 15(d)

BUSINESS AND OPERATIONS OF THE COMPANY (Details)

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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%