Note N - Segment Information - Operating Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 27, 2021	Jun. 28, 2020
Revenues		$ 31,319	$ 17,686
Income from operations		10,702	8,094
Interest expense		(2,650)	(2,650)
Interest income		36	117
Other income, net		16	0
Income before provision for income taxes		8,104	5,561
Corporate, Non-Segment [Member]
Revenues	[1]	405	289
Income from operations		(2,187)	(1,762)
Branded Product Program [Member] | Operating Segments [Member]
Revenues		15,996	4,749
Income from operations		2,254	272
Product Licensing [Member] | Operating Segments [Member]
Revenues		10,682	10,523
Income from operations		10,637	10,477
Restaurant Operations [Member] | Operating Segments [Member]
Revenues		4,236	2,125
Income from operations		$ (2)	$ (893)

[1] Represents advertising fund revenue