Note J - Long-term Debt - Summary of Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Jun. 30, 2021
Long-term debt	$ 25,255	$ 32,085
Less: current maturities	(2,000)	(2,000)
Total long-term debt	23,255	30,085
Revolving Loan [Member]
Long-term debt	10,634	15,415
Term Loan [Member]
Long-term debt	14,500	16,500
Other Long-Term Debt [Member]
Long-term debt	$ 121	$ 170