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Inventories (Tables)
 12 Months Ended
Dec. 31, 2020
Disclosure of Inventories [Abstract]  
Schedule of Current inventory and Non-current inventory
December 31,
Current inventory: 2 0 2 0   2 0 1 9
           
Finished goods $ 2,302,443   $ 1,900,624
Work-in-process   96,174     109,247
Billets   2,232,736     1,791,802
Raw materials and supplies   2,817,090     2,760,319
Materials, spare parts and rollers   1,233,282     1,146,705
Materials in-transit   391,874     534,516
  $ 9,073,599   $ 8,243,213

 

 

Non-current inventory:

 

  December 31,
  2 0 2 0   2 0 1 9
           
Coke $ 952,690   $ 747,300
Spare parts   72,139     68,587
Rollers   185,498     144,486
Finished goods   353,095     353,095
    1,563,422     1,313,468
           
           
Less, valuation allowance at the lower of cost or net realizable value.   (353,095)     (353,095)
  $ 1,210,327   $ 960,373