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Capital Stock (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Preferred Stock authorized shares | 5,000,000 | 5,000,000
Series B Preferred Stock shares | 7,500 | 7,500
Series B Preferred Stock, per share value. | $ 10.00 | $ 10.00
Common stock authorized shares | 100,000,000 | 100,000,000
Common stock issued shares | 68,782,470 | 58,754,110
Common stock outstanding shares | 68,778,381 | 58,750,021
Common shares per share value | $ 0.001 | $ 0.001
Treasury stock sharesoutstanding | 4,089 | 4,089
Warrants outstanding | 17,143,468 | 8,938,668
weighted average exercise price of warrants | $ 0.53 | $ 0.82

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References No definition available. + Details
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- Definition Aggregate amount of each class of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 129 -Paragraph 4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 SEC -Name Regulation S-X (SX) -Number 210 -Article 4 -Section 08 -Paragraph i Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 + Details
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