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3. Inventories (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Inventories $ 1,132,915 $ 1,034,770
Antimony Oxide - Finished
   
Inventories 180,850 386,514
Antimony Oxide - Crude
   
Inventories 223,095 148,737
Antimony Metal [Member]
   
Inventories 145,571 33,850
Antimony Concentrates
   
Inventories 53,475 93,190
Antimony Ore [Member]
   
Inventories 369,234 106,519
Antimony [Member]
   
Inventories 972,225 768,810
Zeolite [Member]
   
Inventories $ 160,690 $ 265,960