Number of shares issued for each share of convertible preferred stock that is converted.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 6

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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21506-112644

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 2, 3, 4, 5, 6, 7, 8

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

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Name:	us-gaap_ConvertiblePreferredStockSharesIssuedUponConversion
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Convertible Preferred Stock (Details Textual) (USD $)	1 Months Ended
Convertible Preferred Stock (Details Textual) (USD $)	Feb. 29, 2012	Sep. 30, 2012	Dec. 31, 2011
Convertible Preferred Stock (Textual) [Abstract]
Number of preferred stock converted into common stock	24,332,186
Number of preferred stock converted into common stock	159,500
Common stock price		$ 0.001	$ 0.001
Series B Convertible Preferred Stock [Member] \| Warrants to purchase common stock [Member]
Convertible Preferred Stock (Textual) [Abstract]
Common stock price	5.20