Exploration and evaluation assets (Tables)

12 Months Ended

Dec. 31, 2019

Disclosure of exploration and evaluation assets [abstract]

Disclosure of detailed information about deferred exploration costs [Table Text Block]

	Balance, December 31,		Change in year		Balance, December 31,		Change in year		Balance, December 31,
	2017 $		2018 $		2018 $		2019 $		2019 $
Mineral property interests	179,500		-		179,500		-		179,500
Assays and testing	2,052,292		247,222		2,299,514		40,236		2,339,750
Claims renewal / staking	459,261		12,383		471,644		7,555		479,199
Drilling	12,488,967		1,854,312		14,343,279		18,478		14,361,757
Environmental studies	1,256,621		415,065		1,671,686		143,935		1,815,621
Exploration data management	917,422		37,656		955,078		10,142		965,220
First Nations	166,444		54,580		221,024		29,444		250,468
Geochemistry	111,066		-		111,066		-		111,066
Geological and engineering services	8,834,256		772,235		9,606,491		903,283		10,509,774
Geophysical services	743,515		58,128		801,643		-		801,643
Metallurgy	3,792,672		331,978		4,124,650		437,133		4,561,783
Petrographic work	43,957		-		43,957		-		43,957
Project management	106,015		-		106,015		-		106,015
Survey, mapping and camp	1,628,447		945,758		2,574,205		196,228		2,770,433
Transportation	2,604,549		273,202		2,877,751		107,190		2,984,941
Advances	-		-		-		71,645		71,645
Cost recovery	(56,480	)	-		(56,480	)	-		(56,480	)
Asset retirement obligations	-		-		-		200,000		200,000
Property impairments	(33,058,924	)	-		(33,058,924	)	-		(33,058,924	)
BC refundable mining tax credits	(2,208,394	)	(891,874	)	(3,100,268	)	(108,226	)	(3,208,494	)
Federal non-refundable mining tax credits, net of valuation allowance	(61,185	)	-		(61,185	)	-		(61,185	)
Book value at date of sale of net smelter royalty	-		(1,777,377	)	(1,777,377	)	-		(1,777,377	)
	1		2,333,268		2,333,269		2,057,043		4,390,312

Disclosure of detailed information about proceeds of sale of NSR [Table Text Block]

Proceeds of sale of 2% NSR	$
Cash	1,300,200
1,125,000 common shares of Cobalt 27	8,325,000
Total proceeds of sale of 2% NSR	9,625,200
Less: book value of Turnagain Nickel-Cobalt Project at date of sale	(1,777,377	)
Less: 6% finders' fee	(780,120	)
Gain on sale of net smelter return royalty	7,067,703