Quarterly report pursuant to Section 13 or 15(d)

GENERAL (Details)

v3.7.0.1
GENERAL (Details)
9 Months Ended
Sep. 30, 2016
Segment
Noncontrolling Interest [Line Items]  
Number of operating segments 2
AMAK [Member]  
Noncontrolling Interest [Line Items]  
Percentage of ownership 33.00%
Pioche Ely Valley Mines, Inc. ("PEVM") [Member]  
Noncontrolling Interest [Line Items]  
Percentage of ownership 55.00%