Note K - Leases - Components of Net Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Operating lease cost	$ 1,548	$ 1,553
Total net lease cost	3,077	2,821
Variable lease cost	1,614	1,356
Less: Sublease income, net	(85)	(88)
Total net lease cost	3,077	2,821
Restaurant Operating Expense [Member]
Total net lease cost	2,416	2,199
Total net lease cost	2,416	2,199
General and Administrative Expense [Member]
Total net lease cost	746	710
Total net lease cost	746	710
Other Income [Member]
Less: Sublease income, net	$ (85)	$ (88)