Note D - Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 28, 2020	Jun. 30, 2019
Revenues	$ 17,686	$ 30,518
Branded Products [Member]
Revenues	4,749	16,113
Company-operated Restaurants [Member]
Revenues	1,934	4,124
Product [Member]
Revenues	6,683	20,237
License [Member]
Revenues	10,523	8,722
Royalty [Member]
Revenues	110	980
Franchise [Member]
Revenues	81	97
Franchise Fees and Royalties [Member]
Revenues	191	1,077
Advertising Fund Revenue [Member]
Revenues	$ 289	$ 482