Note 16 - Income Taxes (Details Textual) - USD ($)
 3 Months Ended 9 Months Ended
May 31, 2022
May 31, 2021
May 31, 2022
May 31, 2021
Income Tax Expense (Benefit), Total $ 604,314 $ 276,338 $ 1,260,437 $ 929,588