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Note 17 - Concentrations (Details) (USD $) In Thousands, unless otherwise specified					12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2013 Government Contracts Concentration Risk [Member]	Jun. 30, 2012 Government Contracts Concentration Risk [Member]	Jun. 30, 2011 Government Contracts Concentration Risk [Member]	Jun. 30, 2013 China [Member]	Jun. 30, 2012 China [Member]
Note 17 - Concentrations (Details) [Line Items]
Concentration Risk, Percentage					48.00%	48.00%	46.00%
Cash and Cash Equivalents, at Carrying Value (in Dollars)	$ 44,308	$ 21,012	$ 58,388	$ 50,521				$ 16,900	$ 15,800

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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