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INVENTORIES (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
INVENTORIES    
Concentrate $ 968 $ 1,094
Ore stockpile 15,417 620
Materials and supplies 15,400 4,238
Gold In Circuit 902  
Gold Bullion 2,430  
Silver Bullion 3 3
Total inventories $ 35,120 $ 5,955