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Net Loss per Share (Tables) | 12 Months Ended
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Dec. 31, 2013
Earnings Per Share [Abstract] |
Schedule of Computation of Basic and Diluted Earnings Per Share | The following table sets forth the computation of basic and diluted loss per share:
|  | Years ended December 31, |
|  | 2013 |  |  | 2012 |
Net loss applicable to common stockholders—numerator for basic and diluted earnings per share |  | $ | (17,799,351 | ) |  | $ | (42,151,493 | )
Weighted—average common shares outstanding—denominator for basic earnings per share |  |  | 77,055,327 |  |  |  | 56,988,497 |
Net loss per share: |  |  |  |  |  |  |  |
Basic and diluted |  | $ | (0.23 | ) |  | $ | (0.74 | )
Schedule of Anti-dilutive Securities Excluded from Diluted Loss Per Share | The following table sets forth the anti-dilutive securities excluded from diluted loss per share:
Anti-dilutive securities excluded from diluted loss per share: |  |  |  |  |  |  |  |
Stock options |  |  | 4,141,948 |  |  |  | 3,350,115 |
Warrants |  |  | — |  |  |  | 8,286,689 |
Convertible notes |  |  | 11,022,841 |  |  |  | 5,633,542 |

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- Definition Schedule Of Computation Of Basic And Diluted Earnings Per Share Table [Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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