Note N - Segment Information - Net Sales by Geographic Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Net sales	$ 178,520	$ 118,876
UNITED STATES
Net sales	94,702	66,912
Non-US [Member]
Net sales	$ 83,818	$ 51,964