Note N - Segment Information - Operating Segment Information (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
Income from operations		7,584	7,366	15,678	16,814
Loss on disposal of property and equipment		0	(2)	0	(2)
Interest expense		(2,651)	(2,651)	(5,301)	(5,301)
Interest income		103	370	220	736
Other income, net		22	20	22	41
Income before provision for income taxes		5,058	5,103	10,619	12,288
Corporate, Non-Segment [Member]
Revenues	[1]	403	697	692	1,179
Income from operations		(1,753)	(2,241)	(3,515)	(4,422)
Branded Product Program [Member] | Operating Segments [Member]
Revenues		9,698	16,182	14,447	32,295
Income from operations		1,252	2,124	1,524	4,327
Product Licensing [Member] | Operating Segments [Member]
Revenues		8,268	5,425	18,791	14,147
Income from operations		8,223	5,380	18,700	14,056
Restaurant Operations [Member] | Operating Segments [Member]
Revenues		3,470	7,422	5,595	12,623
Income from operations		$ (138)	$ 2,103	$ (1,031)	$ 2,853

[1] Represents advertising fund revenue