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Note M - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Net sales | $ 132,437 | $ 121,946
Income from operations | 9,533 | 9,702
Operating Segments [Member] |  |
Income from operations | 16,212 | 16,103
Corporate, Non-Segment [Member] |  |
Income from operations | (6,679) | (6,401)
Private Label Contract Manufacturing [Member] |  |
Net sales | 110,992 | 95,024
Private Label Contract Manufacturing [Member] | Operating Segments [Member] |  |
Income from operations | 10,482 | 8,569
Patent and Trademark Licensing [Member] |  |
Net sales | 21,445 | 26,922
Patent and Trademark Licensing [Member] | Operating Segments [Member] |  |
Income from operations | $ 5,730 | $ 7,534

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