Exploration and Evaluation Assets (Tables)

12 Months Ended

Aug. 31, 2018

Aug. 31, 2017

Statement [Line Items]

Disclosure of detailed information about exploration and evaluation assets [Table Text Block]

		September 1,				Impairment		August 31,
		2017		Expenditures		Loss		2018
Separation Rapids Lithium Project (a)	$	9,523,610	$	1,487,340	$	-	$	11,010,950
East Kemptville Tin-Indium Project (b)		5,322,422		505,102		-		5,827,524
Warren Township Anorthosite Project (c)		-		-		-		-
Other (e)		15,000		20,760		-		35,760
	$	14,861,032	$	2,013,202	$	-	$	16,874,234

		September 1,				Impairment			August 31,
		2016		Expenditures		Loss			2017
Separation Rapids Lithium Project (a)	$	7,481,410	$	2,042,200	$	-		$	9,523,610
East Kemptville Tin-Indium Project (b)		5,011,070		311,352		-			5,322,422
Warren Township Anorthosite Project (c)		-		3,080		(3,080	)		-
Mount Douglas Tin-Tungsten Property (d)		46,663		88,446		(135,109	)		-
Other (e)		28,101		26,828		(39,929	)		15,000
	$	12,567,244	$	2,471,906	$	(178,118	)	$	14,861,032