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Note 4 - Unconsolidated Investments (Tables)
6 Months Ended
Jun. 30, 2013
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments [Table Text Block]
   

June 30,

2013

   

December 31,

2012

 
   

(Dollars in thousands)

 
Sarulla   $ 3,524     $ 2,591