Quarterly report pursuant to Section 13 or 15(d)

Note 4 - Restricted Cash and Investments (Details Textual)

v2.4.1.9
Note 4 - Restricted Cash and Investments (Details Textual) (USD $)
Dec. 31, 2014
Jun. 30, 2014
Restricted Cash and Investments, Noncurrent $ 8,000,000us-gaap_RestrictedCashAndInvestmentsNoncurrent $ 8,500,000us-gaap_RestrictedCashAndInvestmentsNoncurrent
Other Assets [Member]    
Restricted Cash and Investments, Noncurrent $ 8,000,000us-gaap_RestrictedCashAndInvestmentsNoncurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherAssetsMember
$ 8,500,000us-gaap_RestrictedCashAndInvestmentsNoncurrent
/ us-gaap_BalanceSheetLocationAxis
= us-gaap_OtherAssetsMember