Income Taxes - Analysis of the Provision For Income Taxes For Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Aug. 26, 2020	Aug. 28, 2019
Income Tax Disclosure [Abstract]
Current federal and state income tax expense	$ 327	$ 418
Current foreign income tax expense	30	51
Provision for income taxes	$ 357	$ 469

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration