Note 12 - Segment and Related Information (Detail) - Operating results of segments (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Jun. 30, 2012
Net sales (Three Months Ended):
Net sales	$ 39,062	$ 38,720
Operating income (loss) (Three Months Ended)
Operating income (loss)	3,992	3,589
Goodwill and intangible assets:
Goodwill and intangible assets	49,858		50,113
Wireless [Member]
Net sales (Three Months Ended):
Net sales	13,202	18,213
Operating income (loss) (Three Months Ended)
Operating income (loss)	1,858	3,684
Goodwill and intangible assets:
Goodwill and intangible assets	30,716		30,716
Space and Defense [Member]
Net sales (Three Months Ended):
Net sales	25,860	20,507
Operating income (loss) (Three Months Ended)
Operating income (loss)	2,134	(95)
Goodwill and intangible assets:
Goodwill and intangible assets	$ 19,142		$ 19,397