Note K - Leases - Components of Net Lease Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 26, 2023
Operating lease cost	$ 1,580	$ 1,548
Total net lease cost	3,244	3,077
Variable lease cost	1,751	1,614
Less: Sublease income, net	(87)	(85)
Restaurant Operating Expense [Member]
Total net lease cost	2,535	2,416
General and Administrative Expense [Member]
Total net lease cost	796	746
Other Income [Member]
Less: Sublease income, net	$ (87)	$ (85)