SHAREHOLDERS' EQUITY (Details - Shares Outstanding) - shares	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding, beginning of year (in shares)	19,966,000	20,314,000	19,938,000	20,260,000
Common stock issued during the period (in shares)	18,000	26,000	46,000	79,000
Common stock outstanding, end of year (in shares)	19,984,000	19,931,000	19,984,000	19,931,000
Common stock repurchased during the period (in shares)	0	(409,000)	0	(409,000)