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Note 11 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($) | Nov. 30, 2023 | Aug. 31, 2023
--- | --- | ---
Property, plant, and equipment | $ 14,256,990 | $ 14,065,354
CHINA |  |
Property, plant, and equipment | 5,801,146 | 5,729,080
Other Countries [Member] |  |
Property, plant, and equipment | 817,898 | 745,469
UNITED STATES |  |
Property, plant, and equipment | $ 7,637,946 | $ 7,590,805

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