Note M - Segment Information - Assets and Capital Expenditures by Geographical Region (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Total Assets	$ 72,611	$ 74,175
Capital Expenditures	5,354	10,441
Long-Lived Assets	18,136	15,167
UNITED STATES
Total Assets	47,777	49,755
Capital Expenditures	2,365	6,423
Long-Lived Assets	10,753	9,678
Europe [Member]
Total Assets	24,834	24,420
Capital Expenditures	2,989	4,018
Long-Lived Assets	$ 7,383	$ 5,489