Note J - Treasury Stock - Treasury Stock Repurchases (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Treasury Stock Acquired, Shares (in shares)	0	0	1,407	0
Treasury Stock Acquired, Total Cost			$ 8
Stock Repurchase Plan [Member]
Treasury Stock Acquired, Shares (in shares)			0
Treasury Stock Acquired, Average Cost (in dollars per share)			$ 0
Treasury Stock Acquired, Total Cost			$ 0
Stock Repurchased from Employee for Restricted Stock Vesting [Member]
Treasury Stock Acquired, Shares (in shares)			1,407
Treasury Stock Acquired, Average Cost (in dollars per share)			$ 5.72
Treasury Stock Acquired, Total Cost			$ 8