Note K - Leases (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Mar. 28, 2021	Mar. 29, 2020
Operating Lease, Cost	$ 1,444	$ 1,238
Operating Lease, Liability, Current	1,837	1,583
Operating Lease, Liability, Noncurrent	7,553	8,532
Restaurant Operating Expense [Member]
Operating Lease, Cost	1,981	2,137
General and Administrative Expense [Member]
Operating Lease, Cost	657	635
Other Income [Member]
Operating Lease, Cost	$ 47	$ 85