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Note N - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Revenue from Contract with Customer, Including Assessed Tax	$ 113,796	$ 154,015
Income from operations	(8,534)	4,713
Operating Segments [Member]
Income from operations	(147)	12,509
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Income from operations	(8,387)	(7,796)
Private Label Contract Manufacturing [Member]
Revenue from Contract with Customer, Including Assessed Tax	105,358	145,294
Private Label Contract Manufacturing [Member] | Operating Segments [Member]
Income from operations	(3,466)	9,488
Patent and Trademark Licensing [Member]
Revenue from Contract with Customer, Including Assessed Tax	8,438	8,721
Patent and Trademark Licensing [Member] | Operating Segments [Member]
Income from operations	$ 3,319	$ 3,021

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