Note H - Segment Information - Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Net sales	$ 34,078	$ 25,202	$ 67,228	$ 59,171
UNITED STATES
Net sales	20,751	16,585	41,385	41,533
Non-US [Member]
Net sales	$ 13,327	$ 8,617	$ 25,843	$ 17,638