Note N - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 154,015	$ 170,966
Income from operations	4,713	13,679
Operating Segments [Member]
Income from operations	12,509	22,447
Corporate, Non-Segment [Member]
Income from operations	(7,796)	(8,768)
Private Label Contract Manufacturing [Member]
Revenue from Contract with Customer, Including Assessed Tax	145,294	154,798
Private Label Contract Manufacturing [Member] | Operating Segments [Member]
Income from operations	9,488	15,667
Patent and Trademark Licensing [Member]
Revenue from Contract with Customer, Including Assessed Tax	8,721	16,168
Patent and Trademark Licensing [Member] | Operating Segments [Member]
Income from operations	$ 3,021	$ 6,780