Note G - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenue, Net	$ 30,559	$ 26,911	$ 64,626	$ 48,496
Income from Operations
Income from Operations	3,113	2,735	6,649	4,463
Operating Segments [Member]
Income from Operations
Income from Operations	4,488	4,235	9,702	7,294
Corporate, Non-Segment [Member]
Income from Operations
Income from Operations	(1,375)	(1,500)	(3,053)	(2,831)
Private Label Contract Manufacturing [Member]
Revenue, Net	23,864	21,619	51,243	37,884
Private Label Contract Manufacturing [Member] | Operating Segments [Member]
Income from Operations
Income from Operations	2,148	2,543	5,462	4,603
Patent and Trademark Licensing [Member]
Revenue, Net	6,695	5,292	13,383	10,612
Patent and Trademark Licensing [Member] | Operating Segments [Member]
Income from Operations
Income from Operations	$ 2,340	$ 1,692	$ 4,240	$ 2,691