Income Taxes (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure Of Income Taxes [Abstract]

Schedule of Reconciliation of Income Taxes

The following is a reconciliation of income taxes calculated at the combined Canadian federal and provincial statutory tax rate to the income tax expense for the years ended December 31, 2019, 2018 and 2017:

Years ended December 31,
		2019				2018				2017
(Loss) earnings before income taxes	$		(140,975	)	$		(12,396	)	$		20,688
Combined Canadian federal and provincial income tax rates			27.0	%			27.0	%			26.0	%
Expected income tax (recovery) expense			(38,063	)			(3,347	)			5,379
Items that cause an increase (decrease):
Effect of different tax rates in foreign jurisdiction			(3,526	)			(1,341	)			748
Non-deductible expenses and Mexico inflation adjustments			640				244				(199	)
Foreign exchange			(2,507	)			4,733				(1,925	)
Change in prior year estimates			4,257				196				-
Mexican special mining duty			(1,126	)			1,020				1,105
Withholding taxes			837				670				424
Non-deductible impairment charges on mineral properties			14,537				-				-
Change in unrecognized deferred income tax assets			19,313				(147	)			2,243
Other			886				(380	)			1,015
Income tax (recovery) expense	$		(4,752	)	$		1,648		$		8,790

Schedule of Deferred Tax Assets and Liabilities

The composition of the Company's net deferred income tax liabilities at December 31, 2019 and 2018, are as follows:

		December 31, 2019				December 31, 2018
Deferred tax assets:
Provision for site reclamation and closure	$		3,038		$		5,466
Non-capital losses			4,389				6,017
Lease liability			8,190				-
			15,617				11,483
Deferred tax liabilities:
Mineral properties, plant and equipment, exploration and evaluation			(12,533	)			(13,004	)
Mexican special mining duty			(3,282	)			(4,782	)
Other			(8,472	)			(5,130	)
			(24,287	)			(22,916	)
Deferred tax liabilities, net	$		(8,670	)	$		(11,433	)

	Note		December 31, 2019				December 31, 2018
Deferred tax liability, opening		$		11,433		$		7,972
Acquisition of mines	6			-				3,617
Deferred tax recovery charged to earnings during the year				(2,823	)			(65	)
Other				60				(91	)
Deferred tax liability, closing		$		8,670		$		11,433

Schedule of Unrecognized Tax Losses, Deductible Temporary Differences, and Tax Credits

The Company's unrecognized tax losses, deductible temporary differences, and tax credits at December 31, 2019 and 2018, are as follows:

		December 31, 2019			December 31, 2018
Non-capital losses	$		116,601	$		114,700
Mineral properties, plant and equipment, exploration and evaluation			38,082			328
Share issuance costs			2,826			4,422
Provision for reclamation and closure			11,329			-
Other			5,709			-
	$		174,547	$		119,450