v2.4.0.6

Long-term Investment (Detail)	Dec. 31, 2011 USD ($)	Dec. 31, 2011 CNY	Dec. 31, 2010 CNY	Dec. 31, 2011 Shanghai Ruichuang Network Technology Co Ltd USD ($)		Dec. 31, 2011 Shanghai Ruichuang Network Technology Co Ltd CNY		Dec. 31, 2010 Shanghai Ruichuang Network Technology Co Ltd CNY		Nov. 18, 2010 Shanghai Ruichuang Network Technology Co Ltd CNY	Dec. 31, 2011 Beijing Innovation Works Development Fund USD ($)	Dec. 31, 2011 Beijing Innovation Works Development Fund CNY
Schedule of Investments [Line Items]
Long-term investment	$ 4,686,322	29,495,239	20,495,239	$ 3,256,366	[1]	20,495,239	[1]	20,495,239	[1]	20,495,239	$ 1,429,956	9,000,000
[1] On November 18, 2010, the Company purchased 3% of Shanghai Ruichuang Network Technology Co., Ltd's ordinary shares for a total consideration of RMB20,495,239, which was accounted for as a cost method investment as prescribed by ASC 323-10. There was no impairment indicators present associated with this investment as at December 31, 2010 and 2011. This investment was subsequently sold in February 2012 with net proceeds of approximately RMB20,800,000 (US$3,305,000).

X

- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

+ 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 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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

X

- Details

Name:	us-gaap_ScheduleOfInvestmentsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration