Share Capital (Tables)

12 Months Ended

Aug. 31, 2018

Statement [Line Items]

Disclosure of number and weighted average exercise prices of warrants [Table Text Block]

				Weighted
	Number			Average
	of Warrants			Exercise Price
Balance – September 1, 2015	3,478,485	(1)	$	0.490
Issued pursuant to equity offerings (Note 12b(ii) (iii) (iv))	12,350,000			0.164
Issued pursuant to Accommodation Agreement (note 7a)	10,000			0.230
Exercised	(125,000	)		0.150
Balance – August 31, 2016	15,713,485	(1)		0.237
Exercised	(2,275,000	)		0.150
Expired	(3,448,485	)		0.490
Balance – August 31, 2017	9,990,000	(1)		0.169
Issued pursuant to equity offerings (Note 12b(ix) (xi))	6,550,000			0.135
Expired	(9,960,000	)		0.168
Balance – August 31, 2018	6,580,000	(1)	$	0.136

Disclosure of number and weighted average exercise prices of share options [Table Text Block]

				Weighted
	Number			Average
	of Options			Exercise Price
Balance – September 1, 2015	9,775,000		$	1.56
Granted	2,140,000			0.16
Expired	(1,125,000	)		4.46
Forfeited	(150,000	)		2.13
Balance – August 31, 2016	10,640,000			0.96
Granted	3,180,000			0.17
Expired	(3,075,000	)		2.15
Forfeited	(410,000	)		0.86
Balance – August 31, 2017	10,335,000			0.37
Granted	2,345,000			0.12
Exercised	(50,000	)		0.11
Expired	(1,215,000	)		0.91
Forfeited	(70,000	)		0.44
Balance – August 31, 2018	11,345,000		$	0.26

Disclosure of detailed information about options, valuation assumptions [Table Text Block]

		August 31,		August 31,		August 31,
		2018		2017		2016
Exercise price	$	0.12	$	0.17	$	0.16
Closing market price on day preceding date of grant	$	0.12	$	0.17	$	0.16
Risk-free interest rate		1.88%		0.75%		0.53%
Expected life (years)		3.1		3.0		3.5
Expected volatility		59%		77%		71%
Expected dividend yield		nil		nil		nil
Grant date fair value	$	0.05	$	0.08	$	0.08
Forfeiture rate		15%		16%		16%

Disclosure of range of exercise prices of outstanding share options [Table Text Block]

			Weighted Average
	Number of Options		Remaining
Exercise Price Range	Outstanding	Exercisable	Contractual Life
$0.60 - $0.84	1,035,000	1,035,000	0.5 years
$0.40 - $0.59	1,140,000	1,117,500	0.7 years
$0.30 - $0.39	585,000	438,750	1.7 years
$0.20 - $0.29	1,770,000	1,488,750	1.8 years
$0.11 - $0.19	6,815,000	3,736,250	2.2 years
	11,345,000	7,816,250

Disclosure of number and weighted average exercise prices of brokers compensation warrants [Table Text Block]

	Number of			Weighted
	Compensation			Average
	Warrants			Exercise Price
Balance – September1, 2015	1,732,612		$	0.45	(1)
Issued pursuant to equity offerings (Note 12b(ii)(iii)(iv))	840,000			0.13
Exercised	(360,000	)		0.13
Balance – August 31, 2016	2,212,612			0.38	(1)
Issued pursuant to equity offerings (Note 12b(v)(vi)(vii)(viii))	812,727			0.18
Expired	(1,732,612	)		0.44
Balance – August 31, 2017	1,292,727			0.16
Issued pursuant to equity offering (note 12b(ix)(x))	420,000			0.15
Exercised	(300,000	)		0.11
Expired	(180,000	)		0.18
Balance – August 31, 2018	1,232,727		$	0.17