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, 2020		$ 128,541	$ 27,436	$ 58
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		1,461
Stock-based compensation		2,405
Shares issued to Directors for services		345
Shares issued - Lixoft		666
Declaration of dividends			(4,811)
Repurchase and retirement of common shares			0
Net income	$ 9,782		9,782
Other comprehensive income (loss)				(101)
Balance, end of period at Aug. 31, 2021	$ 165,782	133,418	32,407	(43)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.24
Exercise of stock options		891
Stock-based compensation		2,686
Shares issued to Directors for services		351
Shares issued - Lixoft		1,166
Declaration of dividends			(4,846)
Repurchase and retirement of common shares			0
Net income	$ 12,483		12,483
Other comprehensive income (loss)				(265)
Balance, end of period at Aug. 31, 2022	$ 178,248	138,512	40,044	(308)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.24
Exercise of stock options		1,543
Stock-based compensation		4,319
Shares issued to Directors for services		600
Shares issued - Lixoft		0
Declaration of dividends			(4,809)
Repurchase and retirement of common shares			(20,000)
Net income	$ 9,961		9,961
Other comprehensive income (loss)				167
Balance, end of period at Aug. 31, 2023	$ 170,029	$ 144,974	$ 25,196	$ (141)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.24