Common Shares and Warrants (Details 2) - $ / shares |
12 Months Ended | ||||
|---|---|---|---|---|---|
Aug. 31, 2018 |
Aug. 31, 2017 |
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| Common Shares And Warrants [Roll Forward] | |||||
| Number of Warrants, Beginning of Period | 8,844,506 | 12,136,241 | |||
| Weighted Average Exercise Price, Beginning of Period | $ 0.29 | $ 0.18 | |||
| Number of Warrants, Cancelled/Expired | 230,000 | 1,004,150 | |||
| Weighted Average Exercise Price, Cancelled/Expired | $ 0.17 | $ 0.22 | |||
| Number of Warrants, Exercised | 6,364,145 | [1] | 10,322,025 | ||
| Weighted Average Exercise Price, Exercised | $ 0.28 | $ 0.23 | |||
| Number of Warrants, Issued | 1,035,913 | 8,034,440 | |||
| Weighted Average Exercise Price, Issued | $ 1.48 | $ 0.36 | |||
| Number of Warrants, End of Period | 3,286,274 | 8,844,506 | |||
| Weighted Average Exercise Price, End of Period | $ 0.72 | $ 0.29 | |||
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| X | ||||||||||
- Definition Class of Warrant or Right, Exercises in Period No definition available.
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- Definition Class of Warrant or Right, Exercises in Period, Weighted Average Exercise Price No definition available.
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- Definition Class of Warrant or Right, Expirations in Period No definition available.
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- Definition Class of Warrant or Right, Expirations in Period, Weighted Average Exercise Price No definition available.
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| X | ||||||||||
- Definition Class of Warrant or Right, Grants in Period, Net of Forfeitures No definition available.
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- Definition Class of Warrant or Right, Grants in Period, Weighted Average Exercise Price No definition available.
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- Definition Class of Warrant or Right, Outstanding, Weighted Average Exercise Price, Beginning of Period No definition available.
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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