Annual report pursuant to Section 13 and 15(d)

Note 18 - Restricted Cash and Investments (Details Textual)

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Note 18 - Restricted Cash and Investments (Details Textual) - USD ($)
Jun. 30, 2015
Jun. 30, 2014
Other Assets [Member]    
Restricted Cash and Investments, Noncurrent $ 8,000,000 $ 8,500,000
Restricted Cash and Investments, Noncurrent $ 8,000,000 $ 8,500,000