Note H - Lease Obligations - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Amortization of right-of-use assets	$ 664	$ 650
Interest on lease liabilities	267	277
Operating lease cost	3,127	2,908
Short-term lease cost	19	98
Variable lease cost	302	173
Total lease cost	4,379	4,106
Less: Sublease income	(72)	(75)
Net lease cost	$ 4,307	$ 4,031