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Stock Options (Details) - $ / shares | 12 Months Ended
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Aug. 31, 2021 | Aug. 31, 2020
Quantity | 84,900 | 161,600
Exercise price | $ 5.41 | $ 11.66
Life (Years) | 5 years | 5 years
Stock Options 1 |  |
Quantity | 3,400 | 33,333
Exercise price | $ 4.80 | $ 16.50
Life (Years) | 5 years | 5 years
Stock Options 2 |  |
Quantity | 12,000 | 2,000
Exercise price | $ 5.04 | $ 12.90
Life (Years) | 5 years | 5 years
Stock Options 3 |  |
Quantity | 43,500 | 18,333
Exercise price | $ 5.31 | $ 14.10
Life (Years) | 5 years | 5 years
Stock Options 4 |  |
Quantity | 26,000 | 84,600
Exercise price | $ 5.83 | $ 9.60
Life (Years) | 5 years | 5 years
Stock Options 5 |  |
Quantity |  | 23,334
Exercise price |  | $ 10.20
Life (Years) |  | 5 years

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- Definition Term of stock options. + References No definition available. + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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