Note M - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net sales	$ 121,946	$ 114,201
Income from Operations	9,702	12,258
Operating Segments [Member]
Income from Operations	16,103	18,337
Corporate, Non-Segment [Member]
Income from Operations	(6,401)	(6,079)
Private Label Contract Manufacturing [Member]
Net sales	95,024	92,420
Private Label Contract Manufacturing [Member] | Operating Segments [Member]
Income from Operations	8,569	12,184
Patent and Trademark Licensing [Member]
Net sales	26,922	21,781
Patent and Trademark Licensing [Member] | Operating Segments [Member]
Income from Operations	$ 7,534	$ 6,153