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Note 9 - Derivative Instruments: (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
   
Three Months Ended June 30,
   
Six Months Ended June 30,
 
   
2012
   
2011
   
2012
   
2011
 
(in thousands)
                       
Interest rate swap
  $ (5 )   $ -     $ 16     $ -  
Nickel swaps
    (164 )     (16 )     (229 )     72  
Embedded customer derivatives
    164       16       229       (72 )
Total (income) expense
  $ (5 )   $ -     $ 16     $ -