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Note 10 - Derivative Instruments (Tables)
12 Months Ended
Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   

Net Gain (Loss) Recognized

 
(in thousands)   

2013

   

2012

   

2011

 

Interest rate swap (CTI)

  $ (167 )   $ (46 )   $ (68 )

Fixed interst rate swap (ABL)

    (309 )     -       -  

Nickel swaps

    (1,037 )     (113 )     (208 )

Embedded customer derivatives

    1,037       113       208  

Total gain (loss)

  $ (476 )   $ (46 )   $ (68 )