Note 1 - Summary of Significant Accounting Policies (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2013	Jun. 30, 2013 Land, Buildings and Improvements [Member] Minimum [Member]	Jun. 30, 2013 Land, Buildings and Improvements [Member] Maximum [Member]	Jun. 30, 2013 Machinery, Equipment, Furniture and Fixtures [Member] Minimum [Member]	Jun. 30, 2013 Machinery, Equipment, Furniture and Fixtures [Member] Maximum [Member]
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]
Unbilled Contracts Receivable (in Dollars)	$ 4.7		$ 4.1
Property, Plant and Equipment, Useful Life				25 years	30 years	5 years	10 years
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)	164,000	285,000