Note 16 - Expenses from Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Keating Muething and Klekamp PLL [Member]
Related party expenses	$ 207	$ 500	$ 98
American Engineering and Metal Working [Member]
Related party expenses	522	300	215
3970957 Canada Inc. [Member]
Related party expenses		42	161
Synergy Electronic LTD [Member]
Related party expenses		$ 7	$ 171