SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	May 31, 2023	May 31, 2022	May 31, 2023	May 31, 2022
Numerator
Net income attributable to common shareholders	$ 4,008	$ 4,087	$ 9,427	$ 11,522
Denominator
Weighted-average number of common shares outstanding during the year (in shares)	19,972	20,212	20,123	20,180
Dilutive effect of stock options (in shares)	383	556	389	551
Common stock and common stock equivalents used for diluted earnings per share (in shares)	20,355	20,768	20,512	20,731