Note O - Share-based Compensation - Compensation Cost Charged to Expense Under All Stock-based Incentive Awards (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Dec. 24, 2023	Dec. 25, 2022	Dec. 24, 2023	Dec. 25, 2022
Share-based compensation expense	$ 187	$ 65	$ 546	$ 81
Share-Based Payment Arrangement, Option [Member]
Share-based compensation expense	18	8	39	24
Restricted Stock [Member]
Share-based compensation expense	$ 169	$ 57	$ 507	$ 57

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480429/718-10-50-2

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration