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Note 16 - Statements of Cash Flows (Tables) | 12 Months Ended
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Aug. 31, 2021
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Fiscal Year Ended August 31, |
|  | 2021 |  |  | 2020 |
Cash paid during the year for income tax |  | $ | 895,646 |  |  | $ | 1,099,635 |
Cash paid during the year for interest |  |  | 16,086 |  |  |  | 16,034 |

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