Note 10 - Other Income and Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Interest income	$ 504	$ 828	$ 951
Interest expense	(669)	(713)	(800)
Foreign currency gain (loss), net	(59)	705	(840)
Income from equity investment	118	203	257
Brazil recovery of export taxes		232
Sale of scrap material	95	93	126
Gain on resolution of contingency			89
Other income (expense), net	81	(9)	359
	$ 70	$ 1,339	$ 142