Note H - Lease Obligations - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Amortization of right-of-use assets	$ 650	$ 580
Interest on lease liabilities	277	273
Operating lease cost	2,908	2,795
Short-term lease cost	98	24
Variable lease cost	173	159
Total lease cost	4,106	3,831
Less: Sublease income	(75)	(154)
Net lease cost	$ 4,031	$ 3,677