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Note H - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Net sales | $ 38,340 | $ 39,726
Income from operations | 4,228 | 2,085
Operating Segments [Member] |  |
Income from operations | 6,366 | 4,094
Corporate, Non-Segment [Member] |  |
Income from operations | (2,108) | (2,009)
Private Label Contract Manufacturing [Member] |  |
Net sales | 33,594 | 37,047
Private Label Contract Manufacturing [Member] | Operating Segments [Member] |  |
Income from operations | 3,700 | 3,424
Patent and Trademark Licensing [Member] |  |
Net sales | 4,746 | 2,679
Patent and Trademark Licensing [Member] | Operating Segments [Member] |  |
Income from operations | $ 2,636 | $ 670

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