Income Taxes - Reconciliation of the Expense (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Nov. 18, 2020	Nov. 18, 2009
Amount
Income tax benefit from continuing operations at the federal rate	$ (618)
Permanent and other differences:
Stock options and restricted stock	4
Other permanent differences	1
State income tax, net of federal benefit	53
Other	70
Change in valuation allowance	548
Provision for income taxes	$ 58	$ 58
Percent
Income tax benefit from continuing operations at the federal rate	21.00%
Permanent and other differences:
Stock options and restricted stock	(0.10%)
Other permanent differences	0.00%
State income tax, net of federal benefit	(1.80%)
Other	(2.40%)
Change in valuation allowance	(18.70%)
Provision for income taxes from continuing operations	(2.00%)

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 difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for share-based payment arrangement.

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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 state and local income tax expense (benefit), net of federal tax expense (benefit).

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Amount 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 increase (decrease) in the valuation allowance for deferred tax assets.

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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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Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to nondeductible expense for award under share-based payment arrangement. Includes, but is not limited to, expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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