Note J - Reconciliation of Reportable Segments Other Significant Reconciling Items to Consolidated Totals (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Operating Segments [Member]
Interest income	$ 142	$ 204	$ 333
Interest expense	398	946	2,610
Income taxes	(2,446)	8,771	7,665
Depreciation and amortization	8,007	8,605	9,115
Assets	290,529	308,508	311,886
Expenditures for segment assets	4,038	8,606	6,744
Adjustments [Member]
Interest income	5	(80)	(212)
Interest expense	28	(340)	(1,674)
Income taxes	(9,836)	(4,256)	(3,439)
Depreciation and amortization	840	1,556	1,542
Assets	(76,607)	(58,646)	(44,901)
Expenditures for segment assets	176	443	501
Interest income	147	124	121
Interest expense	426	606	936
Income taxes	(12,282)	4,515	4,226
Depreciation and amortization	8,847	10,161	10,657
Assets	213,922	249,862	266,985
Expenditures for segment assets	$ 4,214	$ 9,049	$ 7,245