Note H - Segment Information - Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Net sales	$ 28,766	$ 25,136	$ 95,994	$ 84,307
UNITED STATES
Net sales	18,250	15,457	59,635	56,990
Non-US [Member]
Net sales	$ 10,516	$ 9,679	$ 36,359	$ 27,317

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