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INVENTORIES (Details) (USD $)
 3 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Ore on leach pads $ 1,730,000 $ 2,749,000
In-process inventory 4,417,000 2,681,000
Stockpiles 382,000 778,000
Precious metals 1,467,000 1,300,000
Materials and supplies 1,206,000 1,292,000
Inventories 9,202,000 8,800,000
Inventory write-down 1,700,000  
Ore on leach pads
    
Inventory write-down 600,000  
In-process inventory
    
Inventory write-down 900,000  
Precious metals
    
Inventory write-down $ 200,000