SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($)	3 Months Ended								12 Months Ended
	Aug. 31, 2020	May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Numerator
Net income attributable to common shareholders	$ 2,188,000	$ 2,936,000	$ 2,150,000	$ 2,058,000	$ 2,059,000	$ 2,889,000	$ 2,099,000	$ 1,536,000	$ 9,332,060	$ 8,583,329	$ 8,934,812
Denominator
Weighted-average number of common shares outstanding during the year									17,819,064	17,492,258	17,328,707
Dilutive effect of stock options									719,309	565,173	531,685
Common stock and common stock equivalents used for diluted earnings per share									18,538,373	18,057,431	17,860,392