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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($)
Common stock [Member]
Additional paid-in capital [Member]
Accumulated Deficit [Member]
Accumulated other comprehensive loss [Member]
Total
Beginning Balance at Aug. 31, 2019 $ 11,001 $ 9,850,348 $ (6,340,483) $ (391,859) $ 3,129,007
Beginning Balance (Shares) at Aug. 31, 2019 11,000,786        
Total comprehensive income $ 0 0 169,415 46,403 215,818
Shares repurchased for cancellation $ (550) (532,673) 0 0 (533,223)
Shares repurchased for cancellation (Shares) (550,140)        
Stock-based compensation $ 0 48,615 0 0 48,615
Ending Balance at Aug. 31, 2020 $ 10,451 9,366,290 (6,171,068) (345,456) 2,860,217
Ending Balance (Shares) at Aug. 31, 2020 10,450,646        
Total comprehensive income $ 0 0 382,529 84,323 466,852
Shares repurchased for cancellation $ (185) (260,220) 0 0 (260,405)
Shares repurchased for cancellation (Shares) (185,285)        
Stock-based compensation $ 0 51,734 0 0 51,734
Ending Balance at Aug. 31, 2021 $ 10,266 $ 9,157,804 $ (5,788,539) $ (261,133) $ 3,118,398
Ending Balance (Shares) at Aug. 31, 2021 10,265,361