XML 48 R37.htm IDEA: XBRL DOCUMENT v3.20.4
Inventories (Tables)
 12 Months Ended
Dec. 31, 2019
Disclosure of Inventories [Abstract]  
Schedule of Short-term and Long-term Inventories
December 31,
  2 0 1 9   2 0 1 8
           
Finished goods $ 1,900,624   $ 1,961,627
Work in process   109,247     79,914
Billets   1,791,802     2,046,143
Raw materials and supplies   2,760,319     4,576,732
Materials, spare parts and rollers   1,146,705     1,154,586
Materials in transit   534,516     319,420
  $ 8,243,213   $ 10,138,422

Non-current inventory:

  December 31,
  2 0 1 9   2 0 1 8
           
Coke $ 747,300   $ 952,786
Spare parts   68,587     54,783
Rollers   144,486     140,009
Finished godos   353,095     353,095
    1,313,468     1,500,673

Less, valuation allowance at the lower of cost or net realizable value.   (353,095)     (353,095)
  $ 960,373   $ 1,147,578