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Basis of Presentation and Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2013
Basis of Presentation and Significant Accounting Policies [Abstract] |
Outstanding securities considered anti-dilutive | Potentially dilutive securities are excluded from the calculation of loss per share if their inclusion is anti-dilutive. The following table shows the total outstanding securities considered anti-dilutive and therefore excluded from the computation of diluted net loss per share (in thousands):
|  | December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Options for common stock |  |  | 7,087 |  |  |  | 5,603 |  |  |  | 3,890 |
Convertible preferred stock |  |  | - |  |  |  | - |  |  |  | 67 |
Warrants for common stock |  |  | 15,839 |  |  |  | 13,840 |  |  |  | 1,609 |
Total |  |  | 22,926 |  |  |  | 19,443 |  |  |  | 5,566 |

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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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