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Note 2 - Disposition of OCTG Business (Tables)
 6 Months Ended
Jun. 30, 2015
Notes Tables  
Disposal Groups, Including Discontinued Operations [Table Text Block]
 
 
Three Months Ended
 
 
Six Months Ended
 
 
 
June 30, 2014
 
 
June 30, 2014
 
                 
Net sales
  $ -     $ 22,225  
Cost of sales
    (15 )     24,377  
Gross profit (loss)
    15       (2,152 )
Selling, general and administrative expense
     -       396  
Operating income (loss)
    15       (2,548 )
Interest expense
    -       (99 )
Loss on sale of business
    -       (12,083 )
Income (loss) before income taxes
    15       (14,730 )
Income tax expense (benefit)
    5       (3,847 )
Income (loss) on discontinued operations
  $ 10     $ (10,883 )