Note 4 - Segment Reporting Information - Intersegment Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2024	Sep. 30, 2023
Net sales	$ 138,095	$ 123,441
Lighting Segment [Member]
Net sales	58,437	67,641
Display Solutions Segment [Member]
Net sales	79,658	55,800
Intersegment Eliminations [Member] \| Lighting Segment [Member]
Net sales	5,984	6,864
Intersegment Eliminations [Member] \| Display Solutions Segment [Member]
Net sales	$ 171	$ 455

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details