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Note F - Segment Information (Tables)
 3 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
 
 
THREE MONTHS ENDED
JUNE 30,
 
 
 
201
7
 
 
2016
 
Net sales
                
Coil
   $
18,010
     $
18,999
  
Tubular
    
5,073
      
3,395
  
Total net sales
   $
23,083
     $
22,394
  
Operating profit (loss)
                
Coil
   $
753
     $
(1,515
 )
Tubular
    
(1
 )    
(274
 )
Total operating profit (loss)
    
752
      
(1,789
 )
Corporate expenses
    
527
      
557
  
Interest & other income
    
(4
 )    
(15
 )
Earnings (loss) before income taxes
   $
229
     $
(2,331
 )
 
 
June 30,
2017
 
 
March 31,
2017
 
Segment assets
                
Coil
   $
25,132
     $
21,833
  
Tubular
    
37,592
      
37,299
  
     
62,724
      
59,132
  
Corporate assets
    
6,279
      
4,131
  
    $
69,003
     $
63,263