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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2015
Accounting Policies [Abstract] |
Schedule of potentially dilutive securities in our calculation of diluted net loss per share allocable to common stockholders | The table below presents the potentially dilutive securities that would have been included in our calculation of diluted net loss per share allocable to common stockholders if they were not antidilutive for the periods presented.
|  | As of December 31, |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Stock options |  |  | 20,725,325 |  |  |  | 16,792,443 |  |  |  | 15,632,742 |
Warrants |  |  | 12,722,431 |  |  |  | 13,927,916 |  |  |  | 14,293,499 |
|  |  | 33,447,756 |  |  |  | 30,720,359 |  |  |  | 29,926,241 |

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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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