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Consolidated Statements of Preferred Stock and Stockholders' Equity (Deficit) (unaudited) (Parenthetical) (USD $) | 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 Fifth Issuance Of Stock For Intellectual Property License Rights | Jan. 18, 2007 Common Stock Sixth Issuance Of Stock For Intellectual Property License Rights | Jun. 30, 2007 Common Stock Seventh Issuance Of Stock For Intellectual Property License Rights | Feb. 22, 2006 Series A Issuance of Series A on February 22, 2006 | Feb. 22, 2006 Series A Third Issuance For Notes Payable And Related Accrued Interest | Dec. 08, 2006 Series A Second Issuance Of Series Convertible Redeemable Preferred Stock | May 31, 2007 Series B Third Issuance Of Series B Convertible Redeemable Preferred Stock | Dec. 28, 2007 Series B Issuance for Series B on December 28, 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 preferred stock nonredeemable or redeemable solely at the option of the issuer. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29 -Article 5 + Details
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