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Note H - Revenue (Tables)
6 Months Ended
Sep. 30, 2019
Notes Tables  
Disaggregation of Revenue [Table Text Block]
   
Three Months Ended September 30,
   
Six Months Ended September 30,
 
   
2019
   
2018
   
2019
   
2018
 
Coil Segment:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Prime Coil
   
24,936,635
     
29,575,814
     
49,165,088
     
54,351,845
 
Non-standard Coil
   
3,271,453
     
4,894,421
     
7,043,968
     
11,004,879
 
Customer Owned Coil
   
212,521
     
358,209
     
393,021
     
600,920
 
     
28,420,609
     
34,828,444
     
56,602,077
     
65,957,644
 
Tubular Segment:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Manufactured Pipe
   
9,744,189
     
14,214,209
     
20,476,676
     
25,169,596
 
Mill Reject Pipe
   
1,830,782
     
4,306,980
     
3,892,147
     
9,727,841
 
Pipe Finishing Services
   
-
     
82,396
     
-
     
770,266
 
     
11,574,971
     
18,603,585
     
24,368,823
     
35,667,703