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Note 5 - Derivative Instruments (Tables)
9 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
 
Net Gain (Loss) Recognized
 
 
 
For the Three Months Ended September 30,
 
 
For the Nine Months Ended September 30,
 
(in thousands)
 
2016
 
 
2015
 
 
2016
 
 
2015
 
Interest rate swap (CTI)
  $ (19 )   $ (15 )   $ (52 )   $ (50 )
Fixed interest rate swap (ABL)
    -       (90 )     (98 )     (284 )
Cash flow metals hedges
    -       (544 )     -       (1,629 )
Metals swaps
    111       (571 )     173       (1,958 )
Embedded customer derivatives
    (111 )     571       (173 )     1,958  
Total loss
  $ (19 )   $ (649 )   $ (150 )   $ (1,963 )