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Note H - Revenue (Tables)
3 Months Ended
Jun. 30, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
Three Months Ended June 30,
 
   
2019
   
2018
 
Coil Segment:
 
 
 
 
 
 
 
 
Prime Coil
   
24,228,453
     
24,776,031
 
Non-standard Coil
   
3,772,515
     
6,110,458
 
Customer Owned Coil
   
180,500
     
242,711
 
     
28,181,468
     
31,129,200
 
Tubular Segment:
 
 
 
 
 
 
 
 
Manufactured Pipe
   
10,732,487
     
10,955,387
 
Mill Reject Pipe
   
2,061,365
     
5,420,861
 
Pipe Finishing Services
   
-
     
687,870
 
     
12,793,852
     
17,064,118