Note 11 - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans (Tables)

12 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

		March 25, 2012
Weighted-average option fair values	$	5.039
Expected life (years)		5.0
Interest rate		1.60	%
Volatility		28.90	%
Dividend yield		0	%

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

	March 30, 2014		March 31, 2013		March 25, 2012
Stock options	$	224	$	224	$	274
Restricted stock		497		403		-
	$	721	$	627	$	274

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

	2014					2013					2012
				Weighted-					Weighted-					Weighted-
				Average					Average					Average
				Exercise					Exercise					Exercise
	Shares			Price		Shares			Price		Shares			Price
Options outstanding – beginning of year		429,500		$	13.29		622,000		$	13.21		470,000		$	11.29
Granted		-			-		-			-		177,500			17.75
Expired		-			-		-			-		-			-
Exercised		(150,000	)		9.71		(192,500	)		13.04		(25,500	)		9.36
Options outstanding - end of year		279,500		$	15.22		429,500		$	13.29		622,000		$	13.21
Options exercisable - end of year		190,750		$	14.04		296,375		$	11.29		444,500		$	11.40
Weighted-average fair value of options granted												177,500		$	5.04

Schedule of Share-based Compensation, Activity [Table Text Block]

			Weighted-		Weighted-
			Average		Average		Aggregate
			Exercise		Remaining		Intrinsic
	Shares		Price		Contractual Life		Value
Options outstanding at March 30, 2014		279,500	$	15.22		2.07	$	9,381
Options exercisable at March 30, 2014		190,750	$	14.04		2.02	$	6,627

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

	Shares			Average Grant-Date Fair value Per share
Unvested restricted stock at March 31, 2013	40,000		$	29.29
Granted	25,000		$	49.80
Vested	(10,000	)	$	29.29
Unvested restricted stock at March 30, 2014	55,000		$	38.61