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Note 5 - Fair Value Measurements and Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2014
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

(in thousands)

               

Hedge derivative assets

 

June 30,

2014

   

December 31,

2013

 

Fair Value of Derivatives

  $ 1,516     $ 1,412  

Quoted Prices in Active Markets (Level 1)

    -       -  

Significant Other Observable Inputs (Level 2)

  $ 1,516     $ 1,412  

Significant Unobservable Inputs (Level 3)

    -       -