Note R - Leases (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Dec. 27, 2020	Dec. 29, 2019	Dec. 27, 2020	Dec. 29, 2019	Mar. 29, 2020
Operating Lease, Cost	$ 370,000	$ 339,000	$ 1,181,000	$ 899,000
Operating Lease Payments, Net Sublease Income			956,000
Operating Lease, Liability, Current	1,833,000		1,833,000		$ 1,583,000
Operating Lease, Liability, Noncurrent	7,722,000		7,722,000		$ 8,532,000
Restaurant Operating Expense [Member]
Operating Lease, Cost	502,000	470,000	1,696,000	1,679,000
General and Administrative Expense [Member]
Operating Lease, Cost	160,000	153,000	492,000	474,000
Other Income [Member]
Operating Lease, Cost	$ 9,000	$ 22,000	$ 31,000	$ 63,000