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Note 7 - Fair Value of Financial Instruments (Tables)
3 Months Ended
Mar. 31, 2013
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]
   
Value of Items Recorded at Fair Value
As of March 31, 2013
 
(in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Assets:
                       
Embedded customer derivatives (Nickel swaps)
  $ -     $ 144     $ -     $ 144  
Total assets at fair value
  $ -     $ 144     $ -     $ 144  
                                 
Liabilities:
                               
Nickel swaps
    -       199       -       199  
Interest rate swap (CTI)
    -       404       -       404  
Fixed interest rate swap (ABL)
            937               937  
Total liabilities at fair value
  $ -     $ 1,536     $ -     $ 1,536  
   
Value of Items Recorded at Fair Value
As of December 31, 2012
 
(in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Assets:
                       
Embedded customer derivatives (nickel swaps)
  $ -     $ 113     $ -     $ 113  
Total assets recorded at fair value
  $ -     $ 113     $ -     $ 113  
                                 
Liabilities:
                               
Nickel swaps
    -       168       -       168  
Interest rate swap (CTI)
    -       446       -       446  
Fixed interest rate swap (ABL)
    -       941       -       941  
Total liabilities recorded at fair value
  $ -     $ 1,555     $ -     $ 1,555  
Fair Value, by Balance Sheet Grouping [Table Text Block]
   
Value of Items Not Recorded at Fair Value
As of March 31, 2013
 
(in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Liabilities:
                       
IRB
  $ 5,125     $ -     $ -     $ 5,125  
Term loan
    -       55,417       -       55,417  
Revolver
    -       174,955       -       174,955  
Total liabilities not recorded at fair value
  $ 5,125     $ 230,372     $ -     $ 235,497  
   
Value of Items Not Recorded at Fair Value
As of December 31, 2012
 
(in thousands)
 
Level 1
   
Level 2
   
Level 3
   
Total
 
Liabilities:
                       
IRB
  $ 5,125     $ -     $ -     $ 5,125  
Term loan
    -       57,604       -       57,604  
Revolver
    -       177,575       -       177,575  
Total liabilities not recorded at fair value
  $ 5,125     $ 235,179     $ -     $ 240,304