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. 25, 2018	Mar. 26, 2017	Mar. 27, 2016
Share-based Compensation Expense	$ 398	$ 582	$ 722
Employee Stock Option [Member]
Share-based Compensation Expense	150	150	181
Restricted Stock [Member]
Share-based Compensation Expense	$ 248	$ 432	$ 541

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
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