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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 | Dec. 30, 2010 | Dec. 16, 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
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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, price per share | $ 6.25 | $ 6.25 | $ 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

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- Definition 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. + References 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of Financial Accounting Standard (FAS) -Number 7 -Paragraph 11 -Subparagraph d(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 + Details
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