Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2013

Property, Plant and Equipment [Table Text Block]

Building and improvements (years)	5	–	25
Machinery, equipment, furniture and fixtures (years)	3	–	15
Leasehold improvements (years)	5	–	20

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

March 31, 2013	Level 1		Level 2		Level 3		Carrying Value
Marketable securities	$	-	$	12,307	$	-	$	12,307
Total assets at fair value	$	-	$	12,307	$	-	$	12,307

March 25, 2012	Level 1		Level 2		Level 3		Carrying Value
Marketable securities	$	-	$	14,710	$	-	$	14,710
Total assets at fair value	$	-	$	14,710	$	-	$	14,710

Schedule of Franchisor Disclosure [Table Text Block]

	March 31, 2013			March 25, 2012			March 27, 2011
Franchised restaurants operating at the beginning of the period		299			264			246
New franchised restaurants opened during the period		40			67			40
Franchised restaurants closed during the period		(36	)		(32	)		(22	)
Franchised restaurants operating at the end of the period		303			299			264

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	March 31, 2013		March 25, 2012		March 27, 2011
Domestic (United States)	$	68,499	$	64,534	$	55,824
Non-domestic		3,044		1,688		1,431
	$	71,543	$	66,222	$	57,255

Revenue from External Customers by Products and Services [Table Text Block]

	March 31, 2013		March 25, 2012		March 27, 2011
Branded Products	$	43,214	$	38,506	$	30,497
Company-operated restaurants		13,403		13,209		13,007
Other		39		654		1,130
	$	56,656	$	52,369	$	44,634