Note I - Prepaid Expenses and Other Current Assets - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 26, 2021	Mar. 28, 2021
Income taxes	$ 0	$ 280
Real estate taxes	72	87
Insurance	162	388
Marketing	0	196
Other	378	374
Total prepaid expenses and other current assets	$ 612	$ 1,325

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidTaxes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant