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Note 8 - Intangible Assets, Net (Tables) | 3 Months Ended
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Nov. 30, 2021
Customer Relationships and Assembled Workforce [Member] |
Notes Tables |
Schedule of Finite-Lived Intangible Assets [Table Text Block] |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Customer relationships |  | $ | 6,347,000 |  |  | $ | (68,000 | ) |  | $ | 6,279,000 |

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