VIE Structure and Arrangements (Details)	3 Months Ended
Mar. 31, 2013 USD ($) Director Owner ServiceAgreement	Mar. 31, 2013 CNY Director Owner ServiceAgreement	Jul. 01, 2012	Mar. 09, 2010
VIE Structure and Arrangements [Abstract]
Management fees as percentage of net profit (in hundredths)				100.00%
Term of management services agreements	20 years	20 years
Expiration term of equity pledge agreement	2 years	2 years
Number of days notice required for voting right proxy agreement	30 days	30 days
Ownership percentage of subsidiary (in hundredths)	51.00%	51.00%	50.00%
Number of service agreements	2	2
Percentage of non controlling shareholders (in hundredths)	49.00%	49.00%
Term of joint venture	20 years	20 years
Number of directors appointed	3	3
Number of directors appointed by related party two	2	2
Percentage of net profit received (in hundredths)	51.00%	51.00%
Number of years assigned for pre tax revenue	20 years	20 years
Percentage of pre tax revenue (in hundredths)	100.00%	100.00%
Ownership interest after deconsolidation (in hundredths)	30.00%	30.00%
Initial consideration in exchange of agreement	$ 1,500,000	10
Ownership interest transferred (in hundredths)	20.00%	20.00%
Number Of individual owners	2	2
Percentage of dividend received on equity held in trust (in hundredths)	100.00%	100.00%

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.