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Cost of Sales (Details) (USD $)	9 Months Ended		12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Composition of cost of sales by principal
Beginning inventory of trade goods
Purchases	685,489	1,024,118
Ending inventory of trade goods (-)
Total	$ 685,489	$ 1,024,118	$ (1,341,374)	$ (2,502,037)

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- Definition

Cost of purchases.

+ References

No definition available.

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- Definition

Inventory of trade goods.

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- Definition

Total costs related to goods produced and sold during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 2

-Article 5



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2(a))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

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