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Note 6 - Derivative Instruments (Tables)
 6 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]
 
 
Net Gain (Loss) Recognized
 
 
 
For the Three Months
Ended June 30,
 
 
For the Six Months
Ended June 30,
 
(in thousands)
 
2017
 
 
2016
 
 
2017
 
 
2016
 
Interest rate swap (CTI)
   $
(5
 )   $
(13
 )   $
(18
 )   $
(33
 )
Fixed interest rate swap (ABL)
    
-
     
(37
 )    
-
     
(98
 )
Metals swaps
    
(91
 )    
138
     
(77
 )    
62
 
Embedded customer derivatives
    
91
     
(138
 )    
77
     
(62
 )
Total loss
   $
(5
 )   $
(50
 )   $
(18
 )   $
(131
 )