Note 14 - Related Party Transactions (Details) - Expenses from Related Party Transactions (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Keating Muething And Klekamp PLL [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 98	$ 84	$ 172
American Engineering And Metal Working [Member]
Related Party Transaction [Line Items]
Related party expenses	215	394	272
3970957 Canada Inc. [Member]
Related Party Transaction [Line Items]
Related party expenses	161	182	190
Synergy Electronic LTD [Member]
Related Party Transaction [Line Items]
Related party expenses	$ 171	$ 232	$ 195