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Common Shares and Warrants (Details 3) - $ / shares | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Aug. 31, 2021 | May 31, 2021 | Aug. 31, 2020 | Aug. 31, 2019 | Aug. 31, 2018
Weighted Average Remaining Contractual Life | 3 years 11 months 23 days |  |  |  |
Number of Warrants | 2,447,275 | 3,057,464 | 471,608 | 94,177 | 3,286,274
Weighted Average Exercise Price | $ 8.00 |  |  |  |
Warrants 2 |  |  |  |  |
Weighted Average Remaining Contractual Life | 1 year 2 months 4 days |  |  |  |
Number of Warrants | 7,500 |  |  |  |
Weighted Average Exercise Price | $ 24.00 |  |  |  |
Warrants 5 |  |  |  |  |
Weighted Average Remaining Contractual Life | 2 years 7 months 13 days |  |  |  |
Number of Warrants | 200,000 |  |  |  |
Weighted Average Exercise Price | $ 7.00 |  |  |  |
Warrants 6 |  |  |  |  |
Weighted Average Remaining Contractual Life | 4 years 4 months 17 days |  |  |  |
Number of Warrants | 1,719,828 |  |  |  |
Weighted Average Exercise Price | $ 6.58 |  |  |  |
Warrants 7 |  |  |  |  |
Weighted Average Remaining Contractual Life | 1 month 9 days |  |  |  |
Number of Warrants | 25,000 |  |  |  |
Weighted Average Exercise Price | $ 4.20 |  |  |  |
Warrants 1 |  |  |  |  |
Number of Warrants | 61,090 |  |  |  |
Weighted Average Exercise Price | $ 36.00 |  |  |  |
Warrants 1 | Minimum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 2 months 12 days |  |  |  |
Warrants 1 | Maximum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 3 years 3 months |  |  |  |
Warrants 4 |  |  |  |  |
Number of Warrants | 116,667 |  |  |  |
Weighted Average Exercise Price | $ 9.00 |  |  |  |
Warrants 4 | Minimum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 2 years 7 months 13 days |  |  |  |
Warrants 4 | Maximum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 3 years 6 months 14 days |  |  |  |
Warrants 3 |  |  |  |  |
Number of Warrants | 317,190 |  |  |  |
Weighted Average Exercise Price | $ 10.50 |  |  |  |
Warrants 3 | Minimum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 3 years 8 months 4 days |  |  |  |
Warrants 3 | Maximum [Member] |  |  |  |  |
Weighted Average Remaining Contractual Life | 3 years 8 months 12 days |  |  |  |

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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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