Note N - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Mar. 29, 2020	Mar. 31, 2019
Operating Lease Expense, Net	$ 1,647	$ 1,579
Sublease Income	85
Guaranty Liabilities	110
Contingent Rental Payments [Member]
Operating Lease, Expense	511	480
Restaurant Operating Expenses [Member]
Operating Lease Expense, Net	1,310	1,287
General and Administrative Expense [Member]
Operating Lease Expense, Net	423	378
Other Income [Member]
Sublease Income	$ 86	$ 86
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)	5 years
Lessee, Operating Lease, Renewal Term (Year)	5 years
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	20 years
Lessee, Operating Lease, Renewal Term (Year)	20 years