The amount per share assigned to the consideration received for equity securities issued by a development stage enterprise during a specific stock issuance since its inception.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 7

-Paragraph 11

-Subparagraph d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 915

-SubTopic 215

-Section 45

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6472370&loc=d3e38297-110927

Name:	us-gaap_EquityIssuanceDollarAmountPerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

CONDENSED STATEMENTS OF CHANGES IN STOCKHOLDERS? EQUITY (DEFICIT) (Parenthetical) (USD $)	Jul. 29, 2011	May 31, 2011	Apr. 29, 2011	Mar. 31, 2011	Jan. 31, 2011	Dec. 31, 2010	Jan. 31, 2009	Oct. 07, 2008	Sep. 27, 2008	Dec. 14, 2006	Oct. 05, 2006	Aug. 15, 2006	Jun. 30, 2006	Jun. 16, 2006	Mar. 31, 2006	Jan. 26, 2006	May 31, 2005	Apr. 05, 2005	Jan. 14, 2005	Nov. 25, 2004	Mar. 16, 2004
CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) [Abstract]
Common stock issued for cash, price per share	$ 6.25	$ 6.25	$ 6.25	$ 6.25	$ 6.25	$ 6.25	$ 6.02	$ 5.52	$ 5.52	$ 4.31	$ 4.31	$ 3.91	$ 3.63	$ 3.63	$ 3.63	$ 1.47	$ 3.37	$ 1.72	$ 1.72	$ 1.72	$ 1.76