Note 16 - Related Party Transactions (Details) - Expenses from Related Party Transactions - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Keating Muething and Klekamp PLL [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 500	$ 98	$ 84
American Engineering and Metal Working [Member]
Related Party Transaction [Line Items]
Related party expenses	300	215	394
Canada Inc 3970957 [Member]
Related Party Transaction [Line Items]
Related party expenses	42	161	182
Synergy Electronic LTD [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 7	$ 171	$ 232