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Note 4 - Unconsolidated Investments (Tables)
6 Months Ended
Jun. 30, 2015
Equity Method Investments and Joint Ventures [Abstract]  
Equity Method Investments [Table Text Block]
   

June 30,

   

December 31,

 
   

2015

   

2014

 
   

(Dollars in thousands)

 

Sarulla

  $ (5,215 )   $ (3,617 )