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Note C - Inventories (Tables)
3 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   

June 30, 2021

   

March 31, 2021

 

Prime Coil Inventory

  $ 57,557,963     $ 23,079,012  

Non-Standard Coil Inventory

    761,446       1,419,055  

Tubular Raw Material

    1,330,781       2,607,197  

Tubular Finished Goods

    7,525,843       8,910,829  
    $ 67,176,033     $ 36,016,093