Note N - Segment Information - Operating Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 28, 2020	Jun. 30, 2019
Revenues		$ 17,686	$ 30,518
Income from operations		8,094	9,448
Interest expense		(2,650)	(2,650)
Interest income		117	366
Other income, net		0	21
Income before provision for income taxes		5,561	7,185
Corporate, Non-Segment [Member]
Revenues	[1]	289	482
Income from operations		(1,762)	(2,181)
Branded Product Program [Member] | Operating Segments [Member]
Revenues		4,749	16,113
Income from operations		272	2,203
Product Licensing [Member] | Operating Segments [Member]
Revenues		10,523	8,722
Income from operations		10,477	8,676
Restaurant Operations [Member] | Operating Segments [Member]
Revenues		2,125	5,201
Income from operations		$ (893)	$ 750

[1] Represents advertising fund revenue