Note 5 - Segment Reporting Information - Intersegment Revenues (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Net sales	$ 132,481	$ 108,186	$ 418,310	$ 340,632
Lighting Segment [Member]
Net sales	58,967	64,882	175,614	197,318
Display Solutions Segment [Member]
Net sales	73,514	43,304	242,696	143,314
Intersegment Eliminations [Member] \| Lighting Segment [Member]
Net sales	3,334	6,318	15,371	18,468
Intersegment Eliminations [Member] \| Display Solutions Segment [Member]
Net sales	$ 283	$ 96	$ 587	$ 536

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