XML 20 R23.htm IDEA: XBRL DOCUMENT v3.19.3
5. Inventories (Tables)
9 Months Ended
Sep. 30, 2019
Inventory Disclosure [Abstract]  
Inventories
    September 30,     December 31,  
    2019     2018  
Antimony Metal   $ 37,346     $ 8,127  
Sodium Antimonate     28,568       -  
Antimony Oxide     147,304       255,782  
Antimony Concentrates     -       2,214  
Antimony Ore     198,492       257,067  
     Total antimony     411,710       523,190  
Zeolite     296,364       232,071  
    $ 708,074     $ 755,261