Condensed 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
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	266					266
Exercise of stock options	94					94
Exercise of stock options, Shares				22
Net income (loss)	(6,350)						(6,350)
Ending balances at Nov. 30, 2020	39,723			$ 7	$ 1	60,692	(20,977)
Ending balance, shares at Nov. 30, 2020				7,364	1,000
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
Net income (loss)	(9,461)
Ending balances at May. 31, 2021	37,657			$ 7	$ 1	61,737	(24,088)
Ending balance, shares at May. 31, 2021				7,424	1,000
Beginning balances at Nov. 30, 2020	39,723			$ 7	$ 1	60,692	(20,977)
Beginning balance, shares at Nov. 30, 2020				7,364	1,000
Stock-based compensation	309					309
Exercise of stock options	272					272
Exercise of stock options, Shares				49
Net income (loss)	(3,881)						(3,881)
Ending balances at Feb. 28, 2021	36,423			$ 7	$ 1	61,273	(24,858)
Ending balance, shares at Feb. 28, 2021				7,413	1,000
Stock-based compensation	391					391
Exercise of stock options	73					73
Exercise of stock options, Shares				11
Net income (loss)	770						770
Ending balances at May. 31, 2021	37,657			$ 7	$ 1	61,737	(24,088)
Ending balance, shares at May. 31, 2021				7,424	1,000
Beginning balances at Aug. 31, 2021	90,844			$ 9	$ 1	115,756	(24,922)
Beginning balance, shares at Aug. 31, 2021		8,700	1,000	8,700	1,000
Stock-based compensation	443					443
Employee stock plan	19					19
Employee stock plan, shares				13
Net income (loss)	(1,275)						(1,275)
Ending balances at Nov. 30, 2021	90,031			$ 9	$ 1	116,218	(26,197)
Ending balance, shares at Nov. 30, 2021				8,713	1,000
Beginning balances at Aug. 31, 2021	90,844			$ 9	$ 1	115,756	(24,922)
Beginning balance, shares at Aug. 31, 2021		8,700	1,000	8,700	1,000
Net income (loss)	(2,677)
Ending balances at May. 31, 2022	89,960			$ 9	$ 1	117,549	(27,599)
Ending balance, shares at May. 31, 2022		8,734	1,000	8,734	1,000
Beginning balances at Nov. 30, 2021	90,031			$ 9	$ 1	116,218	(26,197)
Beginning balance, shares at Nov. 30, 2021				8,713	1,000
Stock-based compensation	596					596
Employee stock plan	29					29
Employee stock plan, shares				5
Taxes paid on vested restricted stock awards	(154)					(154)
Taxes paid on vested restricted stock awards, shares				(2)
Net income (loss)	(1,879)						(1,879)
Ending balances at Feb. 28, 2022	88,623			$ 9	$ 1	116,689	(28,076)
Ending balance, shares at Feb. 28, 2022				8,716	1,000
Stock-based compensation	732					732
Employee stock plan	128					128
Employee stock plan, shares				18
Net income (loss)	477						477
Ending balances at May. 31, 2022	$ 89,960			$ 9	$ 1	$ 117,549	$ (27,599)
Ending balance, shares at May. 31, 2022		8,734	1,000	8,734	1,000