Note H - Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 27, 2022	Mar. 28, 2021
Unrecognized tax benefits, beginning of year	$ 397	$ 311
Decreases of tax positions taken in prior years	(19)	(16)
Increases based on tax positions taken in current year	38	102
Settlements of tax positions taken in prior years	(13)	0
Unrecognized tax benefits, end of year	$ 403	$ 397