Common Shares and Warrants (Details 2) - $ / shares |
12 Months Ended | |
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Aug. 31, 2021 |
Aug. 31, 2020 |
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Expected life | 5 years | 5 years |
Dividend yield | 0.00% | 0.00% |
Minimum [Member] | Warrant [Member] | ||
Expected volatility | 91.00% | 91.00% |
Risk-free interest rate | 0.36% | 0.36% |
Expected life | 1 year | 2 years |
Estimated fair value per warrant | $ 3.57 | $ 8.40 |
Maximum [Member] | Warrant [Member] | ||
Expected volatility | 103.00% | 94.00% |
Risk-free interest rate | 0.16% | 2.87% |
Expected life | 3 years | 5 years |
Estimated fair value per warrant | $ 6.51 | $ 16.20 |
Dividend yield | 0.00% | 0.00% |
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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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