SHAREHOLDERS' EQUITY (Details - Shares Outstanding) - shares shares in Thousands	12 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding, beginning of year (in shares)	20,260	20,142	19,923
Common stock repurchased during the period (in shares)	(492)	0	0
Common stock issued during the period (in shares)	170	119	218
Common stock outstanding, end of year (in shares)	19,938	20,260	20,142