Cost of sales (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure of cost of sales [abstract]

Schedule of Cost of Sales

Cost of sales is costs that directly relate to production at the mine operating segments and excludes depletion and amortization. The following are components of cost of sales:

	Year ended			Year ended
	December 31,			December 31,
	2021			2020
Salaries and employee benefits	$	23,913		$	19,941
Contract services on site		17,138			-
Raw materials and consumables		11,652			6,953
Utilities		3,350			3,109
Other costs		7,729			2,146
Changes in inventories		(19,946	)		(910	)
Inventory write-downs		40,711			-
	$	84,547		$	31,239