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3. Inventories (Details) (USD $)
Sep. 30, 2012
Dec. 31, 2011
Inventories $ 1,454,633 $ 1,066,813
Antimony Metal [Member]
   
Inventories 176,139 152,026
Antimony Oxide [Member]
   
Inventories 175,982 180,404
Antimony Ore [Member]
   
Inventories 878,467 644,113
Antimony [Member]
   
Inventories 1,230,588 976,543
Zeolite [Member]
   
Inventories $ 224,045 $ 90,270