Note J - Treasury Stock - Treasury Stock Repurchases (Details) $ / shares in Units, $ in Thousands	3 Months Ended
	Sep. 30, 2023 USD ($) $ / shares shares
Treasury Stock Acquired, Shares (in shares) | shares	46,795
Treasury Stock Acquired, Average Cost (in dollars per share) | $ / shares
Treasury Stock Acquired, Total Cost | $	$ 497
Stock Repurchase Plan [Member]
Treasury Stock Acquired, Shares (in shares) | shares	46,795
Treasury Stock Acquired, Average Cost (in dollars per share) | $ / shares	$ 10.62
Treasury Stock Acquired, Total Cost | $	$ 497
Stock Repurchased from Employee for Restricted Stock Vesting [Member]
Treasury Stock Acquired, Shares (in shares) | shares	0
Treasury Stock Acquired, Average Cost (in dollars per share) | $ / shares	$ 0
Treasury Stock Acquired, Total Cost | $	$ 0