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Common Shares and Warrants (Tables) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2017 | Aug. 31, 2017 | Aug. 31, 2016
Schedule of Capital Stock, Warrants [Table Text Block] |
|  |  |  |  |  | Weighted Average |
|  |  | Number of |  |  | Exercise Price |
|  |  | Warrants |  |  | $ |
| Balance, August 31, 2016 |  | 12,136,241 |  |  | 0.18 |
| Cancelled/Expired |  | (1,004,150 | ) |  | 0.22 |
| Exercised |  | (10,322,025 | ) |  | 0.23 |
| Issued |  | 8,034,440 |  |  | 0.36 |
| Balance, August 31, 2017 |  | 8,844,506 |  |  | 0.29 |
| Exercised |  | (1,404,437 | ) |  | 0.19 |
| Issued |  | 21,031 |  |  | 0.60 |
| Balance, November 30, 2017 |  | 7,461,100 |  |  | 0.30 |
|  |  |  |  |  | Weighted Average |
|  |  | Number of |  |  | Exercise Price |
|  |  | Warrants |  |  | $ |
| Balance, August 31, 2015 |  | 19,840,186 |  |  | 0.23 |
| Expired |  | (13,978,286 | ) |  | 0.22 |
| Issued |  | 6,274,341 |  |  | 0.15 |
| Balance, August 31, 2016 |  | 12,136,241 |  |  | 0.18 |
| Cancelled/Expired |  | (1,004,150 | ) |  | 0.22 |
| Exercised |  | (10,322,025 | ) |  | 0.23 |
| Issued |  | 8,034,440 |  |  | 0.36 |
| Balance, August 31, 2017 |  | 8,844,506 |  |  | 0.29 |
|  |  |  |  |  | Weighted Average |
|  |  | Number of |  |  | Exercise Price |
|  |  | Warrants |  |  | $ |
| Balance, August 31, 2014 |  | 14,250,184 |  |  | 0.23 |
| Expired |  | (607,618 | ) |  | 0.36 |
| Issued |  | 6,197,620 |  |  | 0.23 |
| Balance, August 31, 2015 |  | 19,840,186 |  |  | 0.23 |
| Expired |  | (13,978,286 | ) |  | 0.22 |
| Issued |  | 6,274,341 |  |  | 0.15 |
| Balance, August 31, 2016 |  | 12,136,241 |  |  | 0.18 |
Schedule of Stockholders' Equity Note, Warrants or Rights, Valuation Assumptions [Table Text Block] |
| November 30
| 2017
Expected volatility | 100% – 101%
Risk-free interest rate | 1.21%
Expected life | 1.36 – 2.00 years
Dividend yield | 0.00%
Estimated fair value per warrant | $0.40
|  | August 31 | August 31
|  | 2017 | 2016
| Expected volatility | 102% - 138% | 237% - 240%
| Risk-free interest rate | 0.65% - 1.27% | 0.74% - 0.95%
| Expected life | 0.46 - 2 years | 1.5 – 2 years
| Dividend yield | 0.00% | 0.00%
| Estimated fair value per option | $0.09 - $0.20 | $0.09 - $0.19
| August 31 | August 31
| 2016 | 2015
Expected volatility | 237% - 240% | N/A
Risk-free interest rate | 0.74% - 0.95% | N/A
Expected life | 1.5 – 2 years | N/A
Dividend yield | 0.00% | N/A
Estimated fair value per option | $0.09 - $0.19 | N/A
Schedule of Summary of Warrants Outstanding [Table Text Block] |
# of Warrants | Weighted | Weighted
| Average | Average
| Remaining | Exercise Price
| Contractual Life | $
180,400 | 0.03 years | 0.27
450,000 | 0.70 years | 0.14
500,000 | 0.70 years | 0.44
2,650,666 | 0.75 years | 0.14
500,000 | 1.11 years | 0.23
1,984,796 | 1.34 years | 0.60
245,238 | 1.34 years | 0.42
200,000 | 1.55 years | 0.29
750,000 | 3.86 years | 0.14
7,461,100 | 1.26 years | 0.30
# of Warrants | Weighted | Weighted
| Average | Average
| Remaining | Exercise Price
| Contractual Life | $
625,000 | 0.04 years | 0.15
290,400 | 0.28 years | 0.27
500,000 | 0.36 years | 0.23
450,000 | 0.95 years | 0.14
2,839,666 | 1.00 years | 0.14
2,052,140 | 1.59 years | 0.60
287,300 | 1.59 years | 0.42
350,000 | 1.76 years | 0.14
750,000 | 4.11 years | 0.14
200,000 | 1.80 years | 0.29
500,000 | 0.95 years | 0.44
8,844,506 | 1.34 years | 0.29
# of Warrants | Weighted | Weighted
| Average | Average
| Remaining | Exercise Price
| Contractual Life | $
5,500,000 | 0.70 years | 0.23
361,900 | 0.70 years | 0.18
758,750 | 1.04 years | 0.15
290,400 | 1.28 years | 0.27
1,558,525 | 1.95 years | 0.14
3,316,666 | 2.00 years | 0.14
350,000 | 2.76 years | 0.14
12,136,241 | 1.31 years | 0.18
Schedule of Share-based Goods and Nonemployee Services Transaction by Supplier [Table Text Block] |  |
Date | Amount (2) | Shares | Price
October 31, 2016 (1) | $16,000 | 114,286 | $0.14
February 27, 2017 | $16,000 | 29,091 | $0.55
May 31, 2017 | $12,000 | 35,294 | $0.34
August 25, 2017 | $12,000 | 32,433 | $0.37

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- Definition Tabular disclosure of each transaction in which an entity acquires goods or services other than employee services in exchange for equity securities of the company, including the purpose of the transaction, identification and quantity of the securities issued, the accounting made, disclosure of amounts by which report lines were affected, and noncash effects on the statement of cash flows. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5444-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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- Definition Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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