Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Schedule of inventory

The following table provides the components of inventories and the estimated recoverable gold ounces therein (in thousands, except ounces):

	December 31, 2020			December 31, 2019
	Amount		Gold Ounces	Amount		Gold Ounces
Materials and supplies	$	6,449	—	$	2,559	—
Merrill-Crowe process plant	4,810		2,587	1,004		691
Carbon-in-column	299		166	478		474
Finished good (doré)	1,309		710	412		278
Total	$	12,867	3,463	$	4,453	1,443

Schedule of inventory, Ore on leach pads

The following table summarizes Ore on leach pads and the estimated recoverable gold ounces therein (in thousands, except ounces):

	December 31, 2020			December 31, 2019
	Amount		Gold Ounces	Amount		Gold Ounces
Ore on leach pads, current	$	38,041	21,869	$	22,062	17,019
Ore on leach pads, non-current	7,243		4,164	—		—
Total	$	45,284	26,033	$	22,062	17,019