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Note 13 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value Recurring Basis (Details) - USD ($) | Nov. 30, 2020 | Aug. 31, 2020
--- | --- | ---
Available for sale securities | $ 6,382,785 | $ 5,544,722
Fair Value, Inputs, Level 1 [Member] |  |
Available for sale securities | 6,382,785 | 5,544,722
Fair Value, Inputs, Level 2 [Member] |  |
Available for sale securities | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Available for sale securities | $ 0 | $ 0

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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