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5. Inventories (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Inventories | $ 1,192,189 | $ 1,066,813
Zeolite [Member] |  |
Inventories | 197,555 |
Antimony Metal [Member] |  |
Inventories | 152,821 | 152,026
Antimony Oxide [Member] |  |
Inventories | 295,613 | 180,404
AntimonyConcentrates [Member] |  |
Inventories | 46,008 |
Antimony Ore [Member] |  |
Inventories | 500,192 | 644,113
Antimony [Member] |  |
Inventories | 994,634 | 976,543
Zeolite [Member] |  |
Inventories |  | $ 90,270

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- Definition Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_InventoryGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant