Common Shares and Warrants (Details) - $ / shares |
3 Months Ended | |
|---|---|---|
Nov. 30, 2020 |
Nov. 30, 2019 |
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| Common Shares And Warrants [Roll Forward] | ||
| Number of Warrants, Balance | 471,608 | 94,177 |
| Weighted Average Exercise Price, Balance | $ 16.77 | $ 41.40 |
| Number of Warrants, Cancelled/Expired | (32,510) | (25,000) |
| Weighted Average Exercise Price, Cancelled Expired | $ 67.50 | $ 44.90 |
| Number of Warrants, Issued | 402,431 | |
| Weighted Average Exercise Price, Issued | $ 12.74 | |
| Number of Warrants, Balance | 439,098 | |
| Weighted Average Exercise Price, Balance | $ 14.68 | |
| X | ||||||||||
- Definition Class of Warrant or Right, Expirations in Period No definition available.
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- 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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- Definition Class of Warrant or Right, Expirations in Period, Weighted Average Exercise Price No definition available.
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- Definition Number of warrants or rights outstanding. No definition available.
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