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Note 7 - Goodwill and Intangible Assets (Details Textual) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended 17 Months Ended
Aug. 31, 2020
Aug. 31, 2019
Aug. 31, 2020
Aug. 31, 2019
Feb. 29, 2020
Aug. 31, 2020
Amortization of Intangible Assets, Total $ 142,804 $ 176,544 $ 291,361 $ 353,088    
Store Design [Member]            
Intangible Assets, Expected Additions         $ 250,000  
Finite-Lived Intangible Assets, Period Increase (Decrease), Total           $ 174,000