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Consolidated Statements of Preferred Stock and Stockholders' Equity (Deficit) (Parenthetical) (USD $) | Feb. 22, 2006 Series A Issuance of Series A on February 22, 2006 | Dec. 08, 2006 Series A Issuance of Series A on December 8, 2006 | Feb. 22, 2006 Series A Issuance for Notes Payable and Related Accrued Interest on February 22, 2006 | May 31, 2007 Series B Issuance for Series B on May 31, 2007 | Dec. 28, 2007 Series B Issuance for Series B on December 28, 2007 | Jan. 03, 2005 Common Stock Cash, Net of Offering Costs | Sep. 30, 2004 Common Stock Cash, Net of Offering Costs | Dec. 31, 2002 Common Stock Cash, Net of Offering Costs | Jan. 03, 2005 Common Stock Issuance for Notes Payable and Related Accrued Interest on January 3, 2005 | Oct. 14, 2005 Common Stock Issuance for Intellectual Property License Rights on October 14, 2005 | Feb. 21, 2006 Common Stock Issuance for Intellectual Property License Rights on February 21, 2006 | Feb. 22, 2006 Common Stock Issuance for Intellectual Property License Rights on February 22, 2006 | Jun. 23, 2006 Common Stock Issuance for Intellectual Property License Rights on June 23, 2006 | Nov. 07, 2006 Common Stock Issuance for Intellectual Property License Rights on November 7, 2006 | Jan. 18, 2007 Common Stock Issuance for Intellectual Property License Rights on January 18, 2007 | Jun. 30, 2007 Common Stock Issuance for Intellectual Property License Rights on June 30, 2007
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Common stock market price per share |  |  |  |  |  | $ 0.36 | $ 0.36 | $ 0.36 | $ 0.36 | $ 48.84 | $ 4.32 | $ 4.32 | $ 5.40 | $ 5.40 | $ 10.08 | $ 10.80
Preferred stock, par value | $ 1.6265 | $ 1.6265 | $ 1.6265 | $ 2.439 | $ 3.253 |  |  |  |  |  |  |  |  |  |  |

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- Definition Face amount or stated value per share of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer); generally not indicative of the fair market value per share. + References Reference 1: 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of Financial Accounting Standard (FAS) -Number 129 -Paragraph 2, 3, 4, 5, 6, 7, 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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