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Note 13 - Segment and Geographic Information - Total Long-lived Assets by Geographic Distribution (Details) - USD ($) | Aug. 31, 2022 | Aug. 31, 2021
--- | --- | ---
Total property and equipment | $ 12,170,493 | $ 11,821,458
CHINA |  |
Total property and equipment | 5,826,898 | 5,110,071
Other Countries [Member] |  |
Total property and equipment | 565,022 | 453,199
UNITED STATES |  |
Total property and equipment | $ 5,778,573 | $ 6,258,188

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