Note N - Income Taxes - Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Currently payable:
Federal	$ 234	$ (191)	$ (1,683)
State	135	251	136
Foreign	1,400	771	1,468
Current	1,769	831	(79)
Deferred:
Federal	5,529	(3,906)	(10,978)
State	167	(706)	(787)
Foreign	(2,692)	367	(438)
Deferred	3,004	(4,245)	(12,203)
Income tax (benefit) expense	$ 4,773	$ (3,414)	$ (12,282)