Note G - Employee Benefit Plans - Components Included in Defined Benefit Pension Plan's Net Periodic Benefit Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Interest cost	$ 57	$ 57
Expected return on plan assets	(85)	(89)
Recognized actuarial loss	38	49
Settlement loss	43	119
Net periodic benefit expense	$ 53	$ 136