Note H - Segment Information - Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Net sales	$ 42,373	$ 46,320	$ 118,440	$ 134,129
UNITED STATES
Net sales	29,382	27,674	78,279	70,534
Non-US [Member]
Net sales	$ 12,991	$ 18,646	$ 40,161	$ 63,595

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