Note I - Lease Obligations - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Amortization of right-of-use assets	$ 188	$ 27
Interest on lease liabilities	56	8
Operating lease cost	3,137	3,348
Short-term lease cost	64	40
Variable lease cost	58	37
Total lease cost	3,503	3,460
Less: Sublease income	(212)	(222)
Net lease cost	$ 3,291	$ 3,238