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Stock Options (Narrative) (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Nov. 30, 2017 shares | Aug. 31, 2017 USD ($) yr $ / shares shares | Aug. 31, 2016 USD ($) mo $ / shares shares
Stock Options 1 |  |  | 3,850,000
Stock Options 2 | shares |  |  | 1,567,500
Stock Options 3 |  |  | 1,347,500
Stock Options 4 |  |  | 110,000
Stock Options 5 |  |  | 110,000
Stock Options 6 | mo |  |  | 12
Stock Options 7 | $ / shares |  |  | $ 0.10
Stock Options 8 | shares |  |  | 275,000
Stock Options 9 |  |  | $ 0.09
Stock Options 10 | shares |  |  | 550,000
Stock Options 11 |  |  | $ 0.09
Stock Options 12 | shares |  |  | 110,000
Stock Options 13 |  |  | $ 0.17
Stock Options 14 |  |  | 300,000
Stock Options 15 | $ / shares |  |  | $ 0.11
Stock Options 16 | shares |  |  | 325,000
Stock Options 17 |  |  | $ 0.14
Stock Options 18 |  |  | 122,015
Stock Options 19 |  |  | 256,051
Stock Options 20 |  |  | 83,865
Stock Options 21 |  |  | $ 200,734
Stock Options 1 |  | 3,850,000 |
Stock Options 2 | shares |  | 250,000 |
Stock Options 3 | $ / shares |  | $ 0.14 |
Stock Options 4 | shares |  | 200,000 |
Stock Options 5 | $ / shares |  | $ 0.37 |
Stock Options 6 | shares |  | 300,000 |
Stock Options 7 |  | 100,000 |
Stock Options 8 | yr |  | 3 |
Stock Options 9 |  | $ 0.295 |
Stock Options 10 | shares |  | 100,000 |
Stock Options 11 |  | $ 0.295 |
Stock Options 12 |  | 113,044 |
Stock Options 13 |  | 93,969 |
Stock Options 14 |  | 19,075 |
Stock Options 15 |  | 92,270 |
Stock Options 16 |  | $ 29,745 |
Stock Options 17 | shares |  | 110,000 |
Stock Options 18 |  | $ 0.17 |
Stock Options 19 |  | 300,000 |
Stock Options 20 | $ / shares |  | $ 0.11 |
Stock Options 21 | shares |  | 325,000 |
Stock Options 22 |  | $ 0.14 |
Stock Options 1 | shares | 3,850,000 |  |

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