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Note 16 - Statements of Cash Flows (Tables) | 12 Months Ended
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Aug. 31, 2020
Notes Tables |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] |
|  | Fiscal Year Ended August 31,
|  | 2020 |  | 2019
Cash paid during the year for income tax |  | $ | 1,099,635 |  |  | $ | 841,837 |
Cash paid during the year for interest |  |  | 16,034 |  |  |  | 13,567 |
Non-cash investing and financing activities: |  |  |  |  |  |  |  |
Purchases of property and equipment included in accounts payable |  |  | — |  |  |  | 53,512 |

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