Note J - Income Tax Provision (Benefit) (Details) - USD ($)	12 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014
Current	$ 3,176,000	$ 5,992,000	$ 2,664,000
Deferred	(11,000)	60,000	1,421,000
	3,165,000	6,052,000	4,085,000
Current	1,135,000	1,599,000	918,000
Deferred	(12,000)	51,000	231,000
	1,123,000	1,650,000	1,149,000
	$ 4,288,000	$ 7,702,000	$ 5,234,000