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Note 4 - Segment Reporting Information - Identifiable Assets by Segment (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025
--- | --- | ---
Total Assets | $ 404,873 | $ 396,362
Corporate and Eliminations [Member] |  |
Total Assets | 8,908 | 10,103
Lighting Segment [Member] | Operating Segments [Member] |  |
Total Assets | 136,399 | 132,960
Display Solutions Segment [Member] | Operating Segments [Member] |  |
Total Assets | $ 259,566 | $ 253,299

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