SIGNIFICANT ACCOUNTING POLICIES (Details - Earnings per share) - USD ($) shares in Thousands, $ in Thousands									12 Months Ended
	Jul. 31, 2023	Apr. 24, 2023	Jan. 30, 2023	Oct. 31, 2022	Jul. 25, 2022	Apr. 25, 2022	Jan. 31, 2022	Oct. 25, 2021	Aug. 31, 2023	Aug. 31, 2022	Aug. 31, 2021
Numerator
Net income attributable to common shareholders									$ 9,961	$ 12,483	$ 9,782
Denominator
Weighted-average number of common shares outstanding during the year (in shares)	19,931	19,999	19,924	20,299	20,239	20,207	20,178	20,148	20,075	20,196	20,045
Dilutive effect of stock options (in shares)									390	553	698
Common stock and common stock equivalents used for diluted earnings per share (in shares)									20,465	20,749	20,743