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Note 5 - Derivative Instruments (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
 
Net Loss Recognized
 
 
 
For the Three Months Ended March 31,
 
(in thousands)
 
2016
 
 
2015
 
Interest rate swap (CTI)
  $ (20 )   $ (17 )
Fixed interest rate swap (ABL)
    (61 )     (99 )
Metals swaps
    (76 )     (1,117 )
Embedded customer derivatives
    76       1,117  
Total loss
  $ (81 )   $ (116 )