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10. Business Segments (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Properties, plants and equipment, net: $ 8,342,025 $ 6,047,004
Total Assets: 13,666,240 9,140,117
United States Antimony [Member]
   
Properties, plants and equipment, net: 1,774,326 1,657,473
Total Assets: 5,432,421 2,387,425
Mexico Antimony [Member]
   
Properties, plants and equipment, net: 4,861,559 2,791,233
Total Assets: 5,960,744 4,291,187
Subtotal Antimony [Member]
   
Properties, plants and equipment, net: 6,635,885 4,448,706
Total Assets: 11,393,165 6,678,612
Zeolite [Member]
   
Properties, plants and equipment, net: 1,706,140 1,598,298
Total Assets: $ 2,273,075 $ 2,461,505