INVENTORIES

9 Months Ended

Sep. 30, 2019

Inventory Disclosure [Abstract]

Inventories

INVENTORIES

	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

(a) For the three and nine months ended September 30, 2019, the Company recorded an impairment loss of $2.33 million and $8.41 million in the statement of operations related to concentrates and work in progress inventories and inventory of ore in stockpiles (September 30, 2018 - $0.71 million and $3.06 million).