Gross carrying amount before accumulated amortization as of the balance sheet date of an intangible asset that arises from a contractual arrangement with a third party (not including franchise rights and license agreements).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

Name:	us-gaap_FiniteLivedContractualRightsGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Intangible Asset, Net (Details Textual) (USD $)	Jun. 30, 2012	Dec. 31, 2011	Oct. 22, 2010	Nov. 21, 2003
Intangible assets, net (Textual)
Consideration for the land use right	$ 842,659	$ 835,985	$ 576,211
Covered area of land (square feet)				430,000
Covered area of land (in acres)			60