Note M - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans - Compensation Cost Charged to Expense Under All Stock-based Incentive Awards (Details) - USD ($) $ in Thousands	12 Months Ended
Mar. 29, 2020	Mar. 31, 2019
Share-based Compensation Expense	$ 116	$ 162
Share-based Payment Arrangement, Option [Member]
Share-based Compensation Expense	85	102
Restricted Stock [Member]
Share-based Compensation Expense	$ 31	$ 60

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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-Name Accounting Standards Codification
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