Note 4 - Marketable Securities (Tables)

12 Months Ended

Mar. 30, 2014

Marketable Securities Disclosure [Abstract]

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

	Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Market Value
March 30, 2014	$	10,947	$	240	$	-	$	11,187
March 31, 2013	$	11,768	$	539	$	-	$	12,307

Investments Classified by Contractual Maturity Date [Table Text Block]

Fair value of Municipal Bonds	Total		Less than 1 Year		1 – 5 Years		5 – 10 Years		After 10 Years
March 30, 2014	$	11,187	$	5,214	$	4,792	$	1,181	$	-

Realized Gain (Loss) on Investments [Table Text Block]

	March 30, 2014		March 31, 2013		March 25, 2012
Available-for-sale securities:
Proceeds	$	2,890	$	2,000	$	4,050
Gross realized gains	$	-	$	-	$	-