Income Taxes - Reconciliation of the Expense (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Nov. 18, 2020	Aug. 25, 2021	Aug. 26, 2020
Amount
Income tax benefit from continuing operations at the federal rate	$ (618)		$ (6,104)
Permanent and other differences:
Federal jobs tax credits (wage deductions)	0		0
Stock options and restricted stock	4		17
Other permanent differences	1		3
State income tax, net of federal benefit	53		189
General Business Tax Credits	0		0
Other	70		580
Change in valuation allowance	548		5,672
Provision for income taxes	$ 58	$ 58	$ 357
Percent
Income tax benefit from continuing operations at the federal rate	21.00%		21.00%
Permanent and other differences:
Federal jobs tax credits (wage deductions)	0.00%		0.00%
Stock options and restricted stock	(0.10%)		(0.10%)
Other permanent differences	0.00%		0.00%
State income tax, net of federal benefit	(1.80%)		(0.70%)
General Business Tax Credits	0.00%		0.00%
Other	(2.40%)		(1.90%)
Change in valuation allowance	(18.70%)		(19.50%)
Provision for income taxes from continuing operations	(2.00%)		(1.20%)

Other permanent differences effective income tax rate in taxes.

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The amount of permanent differences in the income tax reconciliation.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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