Note N - Lease Obligations - Consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Jun. 30, 2022
Operating lease right-of-use assets	$ 12,415	$ 12,685
Operating lease liabilities	9,897	10,575
Property, Plant and Equipment, Net [Member]
Finance lease right-of-use assets	4,675	4,805
Accrued Liabilities [Member]
Operating lease liabilities	2,537	2,127
Finance lease liabilities	627	576
Lease Obligation [Member]
Operating lease liabilities	9,897	10,575
Other Noncurrent Liabilities [Member]
Finance lease liabilities	$ 4,548	$ 4,440