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Note 13 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value Recurring Basis (Details) - USD ($) | May 31, 2020 | Aug. 31, 2019
--- | --- | ---
Available for sale securities | $ 5,450,693 | $ 3,565,258
Fair Value, Inputs, Level 1 [Member] |  |
Available for sale securities | 5,450,693 | 3,565,258
Fair Value, Inputs, Level 2 [Member] |  |
Available for sale securities |  |
Fair Value, Inputs, Level 3 [Member] |  |
Available for sale securities |  |

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
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- Details
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- Details
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- Details
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