Note H - Lease Liabilities - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Amortization of right-of-use assets	$ 580	$ 188
Interest on lease liabilities	273	56
Operating lease cost	2,795	3,137
Short-term lease cost	24	64
Variable lease cost	159	58
Total lease cost	3,831	3,503
Less: Sublease income	(154)	(212)
Net lease cost	$ 3,677	$ 3,291