Note 12 - Commitments and Contingencies (Details) (USD $)	1 Months Ended		5 Months Ended	12 Months Ended				1 Months Ended					5 Months Ended		3 Months Ended	12 Months Ended
	Jul. 24, 2013	Jan. 19, 2011	Mar. 31, 2013	Mar. 30, 2014	Mar. 31, 2013	Mar. 25, 2012	Dec. 01, 2009	Apr. 30, 2014 Subsequent Event [Member] Business Interruption Claim, Net of Fees [Member]	Mar. 31, 2013 Coney Island Restaurant [Member]	Oct. 29, 2012 Closed for Varying Periods of Time [Member] Branded Menu Location [Member]	Oct. 29, 2012 Closed for Varying Periods of Time [Member]	Oct. 29, 2012 Remain Closed [Member] Branded Menu Location [Member]	Mar. 31, 2013 Write-off of Property and Equipment [Member]	Mar. 31, 2013 Unsalable Inventories [Member]	Jun. 30, 2013 Unutilized Insurance Advance [Member]	Mar. 30, 2014 Minimum [Member]	Mar. 30, 2014 Maximum [Member]
Note 12 - Commitments and Contingencies (Details) [Line Items]
Lessee Leasing Arrangements, Operating Leases, Term of Contract																5 years	20 years
Lessee Leasing Arrangements, Operating Leases, Renewal Term																5 years	20 years
Operating Leases, Rent Expense, Net				$ 1,391,000	$ 1,102,000	$ 1,248,000
Operating Leases, Rent Expense, Sublease Rentals				265,000	353,000	229,000
Operating Leases, Rent Expense, Contingent Rentals				454,000	399,000	151,000
Property Subject to or Available for Operating Lease, Number of Units				3
Purchase Commitment, Remaining Minimum Amount Committed			5,000,000		5,000,000
Percent of Estimated Hot Dogs Usage				13.40%
Other Commitment									2,000,000
Loss Contingency, Damages Awarded, Value		4,900,000
Litigation Settlement, Amount	6,009,000
Guarantor Obligations, Current Carrying Value							193,000
Number of Restaurants										18	78	1
Loss from Catastrophes			1,340,000										449,000	42,000
Proceeds from Insurance Settlement, Investing Activities				3,400,000				718,000
Insured Event, Gain (Loss)				$ 2,774,000	$ 0	$ 0									$ 2,774,000