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Note 5 - Fair Value Measurement and Fair Value of Financial Instruments (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
(in thousands)
     
Hedge derivative (liabilities) assets
 
June 30,
2012
   
December 31,
2011
 
Fair Value of Derivatives
  $ (3,301 )   $ 82  
Quoted Prices in Active Markets (Level 1)
    -       -  
Significant Other Observable Inputs (Level 2)
  $ (3,301 )   $ 82  
Significant Unobservable Inputs (Level 3)
    -       -