Note H - Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Income tax provision at the U.S. Federal statutory rate	$ 5,629	$ 3,893
State and local income taxes, net of U.S. Federal income tax benefit	1,339	1,003
Change in uncertain tax positions, net	63	33
Nondeductible meals and entertainment and other	(45)	(77)
Nondeductible executive compensation	195	88
Total provision for income taxes	$ 7,181	$ 4,940