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

12 Months Ended

Mar. 31, 2013

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 31, 2013		March 25, 2012		March 27, 2011
Stock options	$	224	$	274	$	378
Restricted stock		403		-		-
	$	627	$	274	$	378

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

	2013					2012					2011
	Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price		Shares			Weighted- Average Exercise Price
Options outstanding – beginning of year		622,000		$	13.21		470,000		$	11.29		534,750		$	10.31
Granted		-			-		177,500			17.75		-			-
Expired		-			-		-			-		-			-
Exercised		(192,500	)		13.04		(25,500	)		9.36		(64,750	)		3.22
Options outstanding - end of year		429,500		$	13.29		622,000		$	13.21		470,000		$	11.29
Options exercisable - end of year		296,375		$	11.29		444,500		$	11.40		415,500		$	10.90
Weighted-average fair value of options granted							177,500		$	5.04

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

	Shares		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life		Aggregate Intrinsic Value
Options outstanding at March 31, 2013		429,500	$	13.29		2.73	$	12,437
Options exercisable at March 31, 2013		296,375	$	11.29		2.53	$	9,175

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

	Shares			Weighted- Average Grant-date Fair value Per share
Unvested restricted stock at March 25, 2012
Granted		50,000		$	29.29
Vested		(10,000	)	$	29.29
Unvested restricted stock at March 31, 2013		40,000		$	29.29