XML 36 R25.htm IDEA: XBRL DOCUMENT v3.19.3
INVENTORIES (Tables)
 9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current
 
September 30, 2019
 
December 31, 2018
 Concentrates and work-in-progress
$
20,790

 
$
14,746

 Inventory of ore in stockpiles
677

 
883

 Raw materials and consumables
2,797

 
2,693

 
$
24,264

 
$
18,322

Inventories - by duration


 


   Current
$
22,492

 
$
16,550

   Long term - raw materials and consumables
1,772

 
1,772


$
24,264

 
$
18,322