SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Aug. 31, 2021	May 31, 2021	Feb. 28, 2021	Nov. 30, 2020	Aug. 31, 2020	May 31, 2020	Feb. 29, 2020	Nov. 30, 2019	Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2019
Numerator
Net income attributable to common shareholders	$ 305	$ 3,787	$ 3,211	$ 2,479	$ 2,188	$ 2,936	$ 2,150	$ 2,058	$ 9,782	$ 9,332	$ 8,583
Denominator
Weighted-average number of common shares outstanding during the year									20,045	17,819	17,492
Dilutive effect of stock options									698	719	565
Common stock and common stock equivalents used for diluted earnings per share									20,743	18,538	18,057