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INVENTORIES (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
INVENTORIES    
Ore on leach pads $ 7,318 $ 7,150
In-process inventory 3,320 2,830
Stockpiles 1,583 1,923
Precious metals 2,192 1,820
Materials and supplies 1,356 1,252
Inventories $ 15,769 $ 14,975