INVENTORIES (Tables)

12 Months Ended

Dec. 31, 2019

Classes of current inventories [abstract]

Schedule of inventories

Inventories include the following components:

	As of		As of
	December 31, 2019		December 31, 2018
Stockpiled ore	$	7,578	$	6,613
In-process ore	2,721		4,188
Materials and supplies	28,167		23,659
Finished goods	394		736
Total	$	38,860	$	35,196