Note 18 - Related Party Transactions - Expenses From Related Party Transactions (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Keating Muething and Klekamp PLL [Member]
Related party expenses	$ 526	$ 207	$ 500
American Engineering and Metal Working [Member]
Related party expenses		522	300
3970957 Canada Inc. [Member]
Related party expenses			42
Synergy Electronic LTD [Member]
Related party expenses			7
Atlas Melbane Street Properties, LLC [Member]
Related party expenses	$ 314