Income Taxes - Narrative (Details)	3 Months Ended		9 Months Ended	12 Months Ended
	Nov. 18, 2020 USD ($)	Nov. 18, 2009 USD ($)	May 31, 2022 USD ($) state	Aug. 25, 2021 USD ($)
Income Taxes [Line Items]
Deferred tax liability			$ 1,104,000	$ 709,000
General business tax credits carryovers to future years			$ 10,800,000
Tax credit carryforward utilization period			20 years
Federal taxable income			$ (8,100,000)	(3,400,000)
Number of states which the company has income tax filing requirements (more than) | state			30
Federal income tax liability	$ 58,000	$ 58,000
Interest associated with unrecognized benefits			$ 0
Federal Income Tax Authority
Income Taxes [Line Items]
Payments of federal income taxes			0	0
State Income Tax Authority
Income Taxes [Line Items]
Federal income tax liability			$ 300,000	$ 300,000