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Note 3 - Fair Value of Financial Instruments (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
Assets and Liabilities Measured at Fair Value on a Recurring Basis
 
(in thousands)
 
December 31,
 
Hedge derivative asset
 
2012
   
2011
 
Fair Value of Derivative
  $ 524     $ 82  
Quoted Prices in Active Markets (Level 1)
    -       -  
Significant Other Observable Inputs (Level 2)
  $ 524     $ 82  
Significant Unobservable Inputs (Level 3)
    -       -