CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common stock and additional paid in capital	Retained earnings	Accumulated other comprehensive (loss) income
Balance, beginning of period at Aug. 31, 2019		$ 15,327	$ 22,354	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Exercise of stock options		630
Stock-based compensation		1,287
Shares issued to Directors for services		290
Shares issued - Lixoft		3,260
Common stock issued for cash, net		107,747
Declaration of dividends			(4,250)
Net income	$ 9,332		9,332
Other comprehensive (loss) income				58
Balance, end of period at Aug. 31, 2020	$ 156,035	128,541	27,436	58
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per common share (in usd per share)	$ 0.24
Exercise of stock options		1,461
Stock-based compensation		2,405
Shares issued to Directors for services		345
Shares issued - Lixoft		666
Common stock issued for cash, net		0
Declaration of dividends			(4,811)
Net income	$ 9,782		9,782
Other comprehensive (loss) income				(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
Common stock issued for cash, net		0
Declaration of dividends			(4,846)
Net income	$ 12,483		12,483
Other comprehensive (loss) income				(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