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

12 Months Ended

Mar. 26, 2017

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Weighted-average option fair values	$	11.970
Expected life (years)		4.5
Interest rate		1.66	%
Volatility		22.77	%
Dividend Yield		0	%

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]

	March 26, 2017		March 27, 2016		March 29, 2015
Stock options	$	150	$	181	$	318
Restricted stock		432		541		541
	$	582	$	722	$	859

Share-based Compensation, Stock Options, Activity [Table Text Block]

	2017					2016					2015
				Weighted-					Weighted-					Weighted-
				Average					Average					Average
				Exercise					Exercise					Exercise
	Shares			Price		Shares			Price		Shares			Price
Options outstanding – beginning of year		124,030		$	26.29		142,964		$	24.36		279,500		$	15.22
Granted		-			-		-			-		50,000		$	53.89
Expired		-			-		(3,787	)		11.72		-			-
Exercised		(48,285	)		11.72		(15,147	)		11.72		(235,125	)		14.74
Options outstanding - end of year		75,745		$	35.58		124,030		$	26.29		94,375		$	36.90
Options exercisable - end of year		37,873		$	35.58		67,221		$	18.44		-		$	-
Weighted-average fair value of options granted		-			-		-			-		50,000		$	11.97

Share-based Compensation, Activity [Table Text Block]

			Weighted-		Weighted-
			Average		Average		Aggregate
			Exercise		Remaining		Intrinsic
	Shares		Price		Contractual Life		Value
Options outstanding at March 26, 2017		75,745	$	35.58		2.36	$	1,899
Options exercisable at March 26, 2017		37,873	$	35.58		2.36	$	950
Exercise price is $ 35 . 576

			Weighted-		Weighted-
			Average		Average		Aggregate
			Exercise		Remaining		Intrinsic
	Shares		Price		Contractual Life		Value
Options outstanding at March 30, 2015		142,964	$	24.36		2.87	$	3,460
Options exercisable at March 30, 2015		-	$	-		-	$	-
Exercise prices range from $11.72 to $35.576

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

				Weighted-
				Average
				Grant-date Fair value
	Shares			Per share
Unvested restricted stock at March 27, 2016		25,000		$	41.59
Granted		-			-
Vested		(15,000	)	$	36.13
Unvested restricted stock at March 26, 2017		10,000		$	49.80