Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Tables)

12 Months Ended

Mar. 28, 2021

Notes Tables

Share-based Payment Arrangement, Cost by Plan [Table Text Block]

	March 28, 2021		March 29, 2020
Stock options	$	85	$	85
Restricted stock		31		31
	$	116	$	116

Share-based Payment Arrangement, Option, Activity [Table Text Block]

	2021				2020
			Weighted-					Weighted-
			Average					Average
			Exercise					Exercise
	Shares		Price		Shares			Price
Options outstanding – beginning of year		10,000	$	89.90		42,234		$	46.807
Granted		-		-		-			-
Expired		-		-		-			-
Exercised		-		-		(32,234	)		33.438
Options outstanding - end of year		10,000	$	89.90		10,000		$	89.90
Options exercisable - end of year		6,667	$	89.90		3,333		$	89.90

Share-based Payment Arrangement, Activity [Table Text Block]

			Weighted-		Weighted-
			Average		Average		Aggregate
			Exercise		Remaining		Intrinsic
	Shares		Price		Contractual Life		Value
Options outstanding at March 28, 2021		10,000	$	89.90		2.46	$	-
Options exercisable at March 28, 2021		6,667	$	89.90		2.46	$	-

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

			Weighted-
			Average
			Grant-date Fair value
	Shares		Per share
Unvested restricted stock at March 29, 2020		667	$	89.90
Granted		-	$	-
Vested		334	$	89.90
Unvested restricted stock at March 28, 2021		333	$	89.90