Note 15 - Segment and Related Information (Details) (USD $)	3 Months Ended										12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013		Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012		Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Note 15 - Segment and Related Information (Details) [Line Items]
Number of Reportable Segments											2
Revenue, Net (in Dollars)											$ 200,000
Number of Major Customers											3	2	2
Sales Revenue, Goods, Net (in Dollars)	42,336,000	38,974,000	[1]	38,002,000	39,062,000	38,172,000	34,717,000	[1]	35,737,000	38,720,000	158,374,000	147,346,000	179,170,000
Lockheed Martin Corp. and Raytheon Company [Member]
Note 15 - Segment and Related Information (Details) [Line Items]
Sales Revenue, Goods, Net (in Dollars)											$ 40,800,000	$ 48,800,000

[1] The effects of the tax benefit in the third quarter of fiscal 2012 resulting from a higher than anticipated Federal Research and Experimentation credit amounted to $0.6 million or $0.04 per diluted share in the third quarter.