Note H - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net Sales	$ 34,078	$ 25,202	$ 67,228	$ 59,171
(Loss) income from operations	(2,780)	(3,513)	(4,616)	(4,057)
Operating Segments [Member]
(Loss) income from operations	(443)	(1,421)	(90)	31
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
(Loss) income from operations	(2,337)	(2,092)	(4,526)	(4,088)
Private Label Contract Manufacturing [Member]
Net Sales	32,315	23,050	62,945	55,239
Private Label Contract Manufacturing [Member] | Operating Segments [Member]
(Loss) income from operations	(1,157)	(2,368)	(1,802)	(1,360)
Patent and Trademark Licensing [Member]
Net Sales	1,763	2,152	4,283	3,932
Patent and Trademark Licensing [Member] | Operating Segments [Member]
(Loss) income from operations	$ 714	$ 947	$ 1,712	$ 1,391