Statements of Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Class A	Class B	Common Stock Class A	Common Stock Class B	Additional Paid-in Capital	(Accumulated Deficit)	Accumulated Other Comprehensive Income
Beginning balances at Aug. 31, 2020	$ 45,713			$ 7	$ 1	$ 60,332	$ (14,627)
Beginning balance, shares at Aug. 31, 2020				7,342	1,000
Stock-based compensation	1,409					1,409
Exercise of stock options	515					515
Exercise of stock options, shares				93
Issuance of common stock in connection with follow-on public offering, net of underwriter discounts and issuance costs	53,502			$ 2		53,500
Issuance of common stock in connection with follow-on public offering, net of underwriter discounts and issuance costs, shares				1,265
Net income (loss)	(10,295)						(10,295)
Ending balances at Aug. 31, 2021	90,844			$ 9	$ 1	115,756	(24,922)
Ending balance, shares at Aug. 31, 2021				8,700	1,000
Stock-based compensation	2,409					2,409
Employee stock plan	959					959
Employee stock plan, shares				88
Taxes paid on vested restricted stock awards	(154)					(154)
Net income (loss)	(764)						(764)
Ending balances at Aug. 31, 2022	93,294			$ 9	$ 1	118,970	(25,686)
Ending balance, shares at Aug. 31, 2022		8,788	1,000	8,788	1,000
Stock-based compensation	3,550					3,550
Employee stock plan	1,957					1,957
Employee stock plan, shares				94
Issuance of common stock in connection with follow-on public offering, net of underwriter discounts and issuance costs	64,295			$ 1		64,294
Issuance of common stock in connection with follow-on public offering, net of underwriter discounts and issuance costs, shares				1,265
Net income (loss)	1,502						1,502
Other comprehensive income	43							$ 43
Ending balances at Aug. 31, 2023	$ 164,641			$ 10	$ 1	$ 188,771	$ (24,184)	$ 43
Ending balance, shares at Aug. 31, 2023		10,147	1,000	10,147	1,000