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13. Business Segments (Details) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Properties, plants and equipment, net $ 12,520,820 $ 12,395,645
Total Assets 15,036,215 14,890,991
United States Antimony [Member]
    
Properties, plants and equipment, net 1,970,819 1,928,442
Total Assets 3,128,059 3,017,768
Mexico Antimony [Member]
    
Properties, plants and equipment, net 8,901,053 8,792,410
Total Assets 9,857,949 9,668,997
Subtotal Antimony [Member]
    
Properties, plants and equipment, net 10,871,872 10,720,852
Total Assets 12,986,008 12,686,765
Zeolite [Member]
    
Properties, plants and equipment, net 1,648,948 1,674,793
Total Assets $ 2,050,207 $ 2,204,225