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Note 8 - Intangible Asset, Net (Details Textual) - Customer Relationships and Assembled Workforce [Member]
9 Months Ended 12 Months Ended
Aug. 31, 2022
USD ($)
Aug. 31, 2022
USD ($)
Finite-Lived Intangible Asset, Useful Life (Year) 15 years  
Amortization of Intangible Assets   $ 423,133
Finite-Lived Intangible Asset, Expected Amortization, Year One $ 423,000 423,000
Finite-Lived Intangible Asset, Expected Amortization, Year Two 423,000 423,000
Finite-Lived Intangible Asset, Expected Amortization, Year Three 423,000 423,000
Finite-Lived Intangible Asset, Expected Amortization, Year Four 423,000 423,000
Finite-Lived Intangible Asset, Expected Amortization, Year Five $ 423,000 $ 423,000