Note 3 - Segment Reporting Information - Identifiable Assets by Segment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Identifiable assets	$ 296,283	$ 311,080
Corporate and Eliminations [Member]
Identifiable assets	6,820	6,347
Lighting Segment [Member] \| Operating Segments [Member]
Identifiable assets	143,741	152,431
Display Solutions Segment [Member] \| Operating Segments [Member]
Identifiable assets	$ 145,722	$ 152,302

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details