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Stock Options (Tables) | 12 Months Ended
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Aug. 31, 2017
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] |
|  |  |  |  |  | Weighted Average |
|  |  | Number of Options |  |  | Exercise Price |
|  |  |  |  |  | $ |
| Balance, August 31, 2015 (vested and outstanding) |  | 4,070,000 |  |  | 0.15 |
| Expired |  | (385,000 | ) |  | 0.32 |
| Cancelled |  | (935,000 | ) |  | 0.16 |
| Granted |  | 735,000 |  |  | 0.13 |
| Balance, August 31, 2016 (vested and outstanding) |  | 3,485,000 |  |  | 0.15 |
| Exercised |  | (1,014,125 | ) |  | 0.17 |
| Granted |  | 850,000 |  |  | 0.14 |
| Balance, August 31, 2017 (outstanding) |  | 3,320,875 |  |  | 0.15 |
| Balance, August 31, 2017 (exercisable) |  | 3,020,875 |  |  | 0.14 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
| August 31 | August 31
| 2017 | 2016
Expected volatility | 98% - 108% | 240% - 241%
Risk-free interest rate | 0.83% - 1.78% | 1.22% - 1.62%
Expected life | 2 - 5 years | 5 years
Dividend yield | 0.00% | 0.00%
Estimated fair value per option | $0.07 - $0.27 | $0.11 - $0.19
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] |
Number of | Number of Stock | Weighted | Weighted | Aggregate
Stock Options | Options | Average | Average | Intrinsic Value
| Exercisable | Remaining | Exercise Price |
|  | Contractual Life | $ | $
247,500 | 247,500 | 0.80 years | 0.09 | 64,125
248,375 | 248,375 | 1.90 years | 0.23 | 30,482
990,000 | 990,000 | 2.31 years | 0.10 | 247,500
275,000 | 275,000 | 2.43 years | 0.09 | 71,250
550,000 | 550,000 | 2.57 years | 0.09 | 142,500
110,000 | 110,000 | 3.05 years | 0.17 | 19,500
300,000 | 300,000 | 3.62 years | 0.11 | 72,000
200,000 | 200,000 | 4.76 years | 0.37 | (4,000)
400,000 | 100,000 | 4.81 years | 0.30 | 22,000
3,320,875 | 3,020,875 | 2.81 years | 0.15 | 665,357

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + 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=6415400&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 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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