Note 3 - Acquisition of EMI Industries, LLC - Pro Forma Information (Details) - EMI Industries [Member] - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2024	Jun. 30, 2023
Sales	$ 535,849	$ 578,169
Gross Profit	141,788	147,967
Business Combination, Pro Forma Information, Pro Forma Income (Loss) from Continuing Operations, after Tax	$ 36,303	$ 38,798

Amount of pro forma revenue of combined entity as if acquisition date of business combination occurred as of beginning of period.

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