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STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) (Parenthetical) (USD $) | 0 Months Ended | 1 Months Ended
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Nov. 19, 2012 | Jul. 29, 2011 | May 31, 2011 | Apr. 29, 2011 | Mar. 31, 2011 | Jan. 31, 2011 | 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 | Dec. 31, 2010 | Jan. 31, 2009
STATEMENTS OF CHANGES IN STOCKHOLDERS? EQUITY (DEFICIT) [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued, price per share | $ 7.00 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 6.25 | $ 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 | $ 6.25 | $ 6.02

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- Definition Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. + References Reference 1: 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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