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Note 18 - Derivative Financial Instruments (Details) - Summary of Derivative Losses Recognized in Statement of Operations (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Summary of Derivative Losses Recognized in Statement of Operations [Abstract]0          
Location of (Loss) or Gain recognized in Income on Derivative     Loss/(Gain) on derivative financial instruments    
Amount of Loss/(Gain) Recognized in Statement of Comprehensive Income/ (Loss) $ (281) $ (660) $ (2,313) $ (2,656) $ (2,835)