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Note 15 - Investments (Details) (Common Stock)
3 Months Ended
Mar. 31, 2015
Common Stock
 
Stock Issued During Period, Shares, Acquisitions 20,000,000us-gaap_StockIssuedDuringPeriodSharesAcquisitions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember