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, 2017	Jun. 30, 2016
Interest cost	$ 70	$ 87
Expected return on plan assets	(74)	(105)
Recognized actuarial loss	93	68
Settlement loss	155	55
Net periodic benefit expense	$ 244	$ 105