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Note H - Segment Information - Operating Results by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Net sales | $ 48,083 | $ 29,103 | $ 87,809 | $ 58,298
Income from operations | 5,392 | 698 | 7,477 | 643
Operating Segments [Member] |  |  |  |
Income from operations | 7,372 | 2,539 | 11,469 | 4,366
Corporate, Non-Segment [Member] |  |  |  |
Income from operations | (1,980) | (1,841) | (3,992) | (3,723)
Private Label Contract Manufacturing [Member] |  |  |  |
Net sales | 45,326 | 24,831 | 82,373 | 50,841
Private Label Contract Manufacturing [Member] | Operating Segments [Member] |  |  |  |
Income from operations | 6,843 | 1,697 | 10,270 | 3,312
Patent and Trademark Licensing [Member] |  |  |  |
Net sales | 2,757 | 4,272 | 5,436 | 7,457
Patent and Trademark Licensing [Member] | Operating Segments [Member] |  |  |  |
Income from operations | $ 529 | $ 842 | $ 1,199 | $ 1,054

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