CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock and additional paid in capital	Retained earnings	Accumulated other comprehensive loss
Balance, beginning of period at Aug. 31, 2022		$ 138,512	$ 40,044	$ (308)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		758
Stock-based compensation		886
Shares issued to Directors for services		150
Declaration of dividends			(1,218)
Net income	$ 1,245		1,245
Other comprehensive (loss) income				53
Balance, end of period at Nov. 30, 2022	$ 180,122	140,306	40,071	(255)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.06
Balance, beginning of period at Aug. 31, 2023	$ 170,029	144,974	25,196	(141)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		164
Stock-based compensation		1,303
Shares issued to Directors for services		150
Declaration of dividends			(1,196)
Net income	1,945		1,945
Other comprehensive (loss) income				(54)
Balance, end of period at Nov. 30, 2023	$ 172,341	$ 146,591	$ 25,945	$ (195)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.06