Segmented information (Tables)

12 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Statement [Line Items]

Disclosure of geographical areas [Table Text Block]

Year ended December 31, 2017
											Corporate
											and other
		Manitoba			Peru			Arizona			activities			Total
Revenue from external customers	$	704,777		$	657,776		$	-		$	-		$	1,362,553
Cost of sales
Mine operating costs		392,863			302,865			-			-			695,728
Depreciation and amortization		118,770			174,110			-			-			292,880
Gross profit		193,144			180,801			-			-			373,945
Selling and administrative expenses		-			-			-			42,283			42,283
Exploration and evaluation		5,649			1,442			-			8,383			15,474
Other operating (income) and expenses		(56	)		(6,612	)		517			(6,289	)		(12,440	)
Asset impairment		11,320			-			-			-			11,320
Results from operating activities	$	176,231		$	185,971		$	(517	)	$	(44,377	)	$	317,308
Finance income														(2,849	)
Finance expenses														103,028
Other finance losses														18,401
Profit before tax														198,728
Tax expense														34,829
Profit for the year													$	163,899

Year ended December 31, 2016
									Corporate
									and other
		Manitoba		Peru		Arizona			activities			Total
Revenue from external customers	$	512,671	$	616,007	$	-		$	-		$	1,128,678
Cost of sales
Mine operating costs		318,037		289,133		-			-			607,170
Depreciation and amortization		120,531		178,099		-			-			298,630
Gross profit		74,103		148,775		-			-			222,878
Selling and administrative expenses		-		-		-			37,774			37,774
Exploration and evaluation		1,228		1,262		-			2,252			4,742
Other operating expense (income)		5,490		7,790		618			(3,312	)		10,586
Results from operating activities	$	67,385	$	139,723	$	(618	)	$	(36,714	)	$	169,776
Finance income												(2,792	)
Finance expenses												167,071
Other finance gains												(108	)
Profit before tax												5,605
Tax expense												40,798
Loss for the year											$	(35,193	)

Disclosure of geographical areas, assets and liabilities [Table Text Block]

December 31, 2017
							Corporate
							and other
		Manitoba		Peru	Arizona		activities		Total
Total assets	$	743,019	$	2,666,775 $	856,589	$	382,346	$	4,648,729
Total liabilities		525,515		806,217	110,945		1,061,797		2,504,474
Property, plant and equipment		619,476		2,420,561	836,759		4,098		3,880,894

December 31, 2016
							Corporate
							and other
		Manitoba		Peru	Arizona		activities	Total
Total assets	$	769,561	$	2,720,441 $	822,498	$	144,056 $	4,456,556
Total liabilities		528,326		876,056	158,236		1,130,726	2,693,344
Property, plant and equipment		606,348		2,452,917	800,542		6,016	3,865,823

Disclosure of geographical areas, additions to property, plant and equipment [Table Text Block]

Year ended December 31, 2017
							Corporate
							and other
		Manitoba		Peru		Arizona	activities	Total
Additions to property, plant and equipment	$	97,936	$	143,372	$	18,507	- $	259,815

Year ended December 31, 2016
								Corporate
								and other
		Manitoba		Peru		Arizona		activities		Total
Additions to property, plant and equipment	$	65,521	$	125,489	$	25,856	$	19	$	216,885

Disclosure of geographical areas, revenue by customer location [Table Text Block]

		2017		2016
Revenue by customer location 1
Canada	$	421,247	$	372,439
United States		236,467		146,419
Switzerland		159,085		256,377
Germany		144,684		39,703
China		145,935		139,200
Peru		101,033		68,964
Philippines		120,199		70,933
Other		33,903		34,643
	$	1,362,553	$	1,128,678