Note 4 - Segment Reporting Information - Identifiable Assets by Segment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024
Total Assets	$ 349,502	$ 348,800
Corporate and Eliminations [Member]
Total Assets	9,003	9,857
Lighting Segment [Member] \| Operating Segments [Member]
Total Assets	125,965	130,695
Display Solutions Segment [Member] \| Operating Segments [Member]
Total Assets	$ 214,534	$ 208,248

Amount of asset recognized for present right to economic benefit.

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+ Details