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14. Business Segments (Details 1) - USD ($)
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Capital Expenditure $ 894,158 $ 651,318
United States Antimony [Member]    
Capital Expenditure 0 73,893
Mexico Antimony [Member]    
Capital Expenditure 860,684 527,003
Subtotal Antimony [Member]    
Capital Expenditure 860,684 600,896
Zeolite [Member]    
Capital Expenditure $ 33,474 $ 50,422