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Note 5 - Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(in thousands)

               

Hedge derivative assets

 

March 31,

2014

 

December 31,

2013

Fair Value of Derivatives

  $ (287 )   $ 1,412  

Quoted Prices in Active Markets (Level 1)

    -       -  

Significant Other Observable Inputs (Level 2)

  $ (287 )   $ 1,412  

Significant Unobservable Inputs (Level 3)

    -       -