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Note 7 - Segment Information (Tables)
6 Months Ended
Jun. 30, 2015
Notes Tables  
Schedule Of Segment Reporting Information By Segment Statement Of Operations [Table Text Block]
 
 
Three Months Ended June 30,
 
 
Six Months Ended June 30,
 
 
 
2015
 
 
2014
 
 
2015
 
 
2014
 
 
 
(in thousands)
 
Net sales:                                
Water transmission
  $ 38,445     $ 62,205     $ 94,687     $ 105,204  
Tubular products
    15,401       39,783       44,024       79,431  
Total
  $ 53,846     $ 101,988     $ 138,711     $ 184,635  
                                 
Gross profit (loss):
                               
Water transmission
  $ 1,255     $ 11,491     $ 8,774     $ 13,159  
Tubular products
    (3,848 )     (174 )     (7,476 )     2,472  
Total
  $ (2,593 )   $ 11,317     $ 1,298     $ 15,631  
                                 
Operating income (loss):
                               
Water transmission (1)
  $ (5,815 )   $ 9,543     $ (182 )   $ 9,244  
Tubular products
    (4,254 )     (589 )     (8,871 )     1,705  
Corporate
    (3,258 )     (3,555 )     (7,357 )     (6,676 )
Total
  $ (13,327 )   $ 5,399     $ (16,410 )   $ 4,273