Note H - Segment Information - Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Net sales	$ 46,320	$ 25,482	$ 134,129	$ 83,780
UNITED STATES
Net sales	27,674	12,908	70,534	48,682
Non-US [Member]
Net sales	$ 18,646	$ 12,574	$ 63,595	$ 35,098

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