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Note 17 - Income Taxes (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Income Tax Expense (Benefit), Total $ 151,743 $ 274,660 $ 656,123 $ 653,250