Note D - Revenues - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 27, 2020	Sep. 29, 2019
Revenues	$ 21,839	$ 29,726	$ 39,525	$ 60,244
Branded Products [Member]
Revenues	9,698	16,182	14,447	32,295
Company-operated Restaurants [Member]
Revenues	2,994	5,924	4,928	10,048
Product [Member]
Revenues	12,692	22,106	19,375	42,343
License [Member]
Revenues	8,268	5,425	18,791	14,147
Franchise Royalties [Member]
Revenues	409	1,047	519	2,027
Franchise [Member]
Revenues	67	451	148	548
Franchise Fees and Royalties [Member]
Revenues	476	1,498	667	2,575
Advertising Fund Revenue [Member]
Revenues	$ 403	$ 697	$ 692	$ 1,179