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Note 5 - Debt (Tables)
3 Months Ended
Mar. 31, 2014
Debt Disclosure [Abstract]  
Schedule of Debt [Table Text Block]
       
   

As of

 

(in thousands)

 

March 31, 2014

   

December 31, 2013

 

Asset-based revolving credit facility due June 30, 2016

  $ 180,880     $ 146,075  

Term loan due June 30, 2016

    46,667       48,854  

Industrial revenue bond due April 1, 2018

    4,340       4,340  

Total debt

    231,887       199,269  

Less current amount

    (13,090 )     (13,090 )

Total long-term debt

  $ 218,797     $ 186,179