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INVENTORIES (Tables)
6 Months Ended
Jun. 30, 2022
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
 June 30, 2022December 31, 2021
 Concentrates and work-in-progress$25,746 $27,619 
 Ore stockpiles241 351 
 Raw materials and consumables4,369 4,170 
 $30,356 $32,140 
Inventories
   Current$28,565 $30,772 
   Long term - raw materials and consumables1,791 1,368 
$30,356 $32,140