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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($)
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Total
Beginning balance, value at Aug. 31, 2020 $ 821,284 $ 618,707 $ 17,908,354 $ 19,348,345
Beginning Balance, shares at Aug. 31, 2020 3,481,162      
Shares issued pursuant to compensation plans (note 10) $ 1,887 68,504 70,391
Shares issued pursuant to compensation plans (note 11), shares 7,999      
Net income 2,849,839 2,849,839
Ending balance, value at May. 31, 2021 $ 823,171 687,211 20,758,193 22,268,575
Ending Balance, shares at May. 31, 2021 3,489,161      
Net income 605,114 605,114
Ending balance, value at Aug. 31, 2021 $ 823,171 687,211 21,363,307 22,873,689
Ending Balance, shares at Aug. 31, 2021 3,489,161      
Shares issued pursuant to compensation plans (note 10) $ 868 38,518 39,386
Shares issued pursuant to compensation plans (note 11), shares 3,681      
Net income 1,372,789 1,372,789
Ending balance, value at May. 31, 2022 $ 824,039 $ 725,729 $ 22,736,096 $ 24,285,864
Ending Balance, shares at May. 31, 2022 3,492,842