Note H - Employee Benefit Plans - Components Included in Defined Benefit Pension Plan's Net Periodic Benefit Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Interest cost	$ 46	$ 39
Expected return on plan assets	(42)	(69)
Recognized actuarial loss	50	63
Settlement loss	27	50
Net periodic benefit expense	$ 81	$ 83