Note D - Revenues - Significant Changes in Deferred Franchise Fees (Details) - USD ($)	9 Months Ended
	Dec. 27, 2020	Dec. 29, 2019
Deferred franchise fees at beginning of period	$ 1,917,000	$ 3,005,000
Revenue recognized during the period	(207,000)	(781,000)
New deferrals due to cash received and other	70,000	90,000
Deferred franchise fees at end of period	$ 1,780,000	$ 2,314,000