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Note 8 - Intangible Assets, Net (Details) - USD ($) | Nov. 30, 2021 | Aug. 31, 2021
--- | --- | ---
Customer relationships | $ 6,279,000 | $ 0
Customer Relationships [Member] |  |
Patents and trademarks | 6,347,000 |
Less accumulated amortization | (68,000) |
Customer relationships | $ 6,279,000 |

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