CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Common Stock And Additional Paid In Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance, beginning of period at Aug. 31, 2020	$ 128,541	$ 27,436	$ 58
Exercise of stock options	180
Stock-based compensation	449
Shares issued to Directors for services	83
Declaration of dividend		(1,195)
Net income		2,479		2,479
Other comprehensive income
Balance, end of period at Nov. 30, 2020	129,253	28,720	58	$ 158,031
Common dividends declared per common share				$ 0.06
Balance, beginning of period at Aug. 31, 2021	133,418	32,407	(43)	$ 165,782
Exercise of stock options	372
Stock-based compensation	634
Shares issued to Directors for services	88
Declaration of dividend		(1,209)
Net income		3,026		3,026
Other comprehensive income			(237)
Balance, end of period at Nov. 30, 2021	$ 134,512	$ 34,224	$ (280)	$ 168,456
Common dividends declared per common share				$ 0.06