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14. Business Segments (Details 1) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Capital Expenditure $ 130,224 $ 371,739 $ 400,279 $ 904,784
United States Antimony [Member]        
Capital Expenditure 5,583 0 25,983 0
Mexico Antimony [Member]        
Capital Expenditure 104,618 349,550 312,505 871,310
Subtotal Antimony [Member]        
Capital Expenditure 110,201 349,550 338,488 871,310
Zeolite [Member]        
Capital Expenditure $ 20,023 $ 22,189 $ 61,791 $ 33,474