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STOCKHOLDERS' EQUITY (Details Narrative) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2013 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Preferred stock, shares authorized |  | 10,000,000 | 10,000,000 | 10,000,000
Preferred stock, par value (in dollars per share) |  | $ 0.001 | $ 0.001 | $ 0.001
Common stock, par value (in dollars per share) |  | $ 0.001 | $ 0.001 | $ 0.001
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition |  | 1 year |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Total |  | $ 14,800,000,000 | $ 18,800,000,000 |
Milestone-based restricted stock outstanding |  | 242,000 | 696,172 |
Net Proceeds From Shares New Issues Over-Allotments |  | $ 131,515,541 | $ 4,411,233 | $ 67,760,517
Common Stock, Shares Authorized |  | 150,000,000 | 150,000,000 | 150,000,000
Share-based Compensation, Total |  | $ 15,945,284 | $ 7,509,999 | $ 15,697,092
Treasury Stock, Shares |  | 41,309 | 41,309 | 41,309
Treasury Stock, Value |  | $ 234,337 | $ 234,337 | $ 234,337
Available-for-sale Securities, Equity Securities |  |  |  | $ 175,000,000
Atm [Member] |  |  |  |
Stock Issued During Period, Shares, New Issues |  | 3,104,253 | 570,366 | 4,850,055
Share Price |  | $ 10.18 | $ 7.88 | $ 10.31
Stock Issued During Period, Value, New Issues |  | $ 31,600,000 | $ 4,400,000 | $ 67,000,000
Proceeds From Issuance Of Common Stock |  | $ 31,000,000 | $ 4,500,000 | $ 68,200,000
Common Stock Value Reserved for Future Issuance | $ 50,000,000 |  |  |
Commission Percentage |  |  | 3.00% |
Non Employee Restricted Stock |  |  |  |
Milestone-based restricted stock outstanding |  | 2,413,917 |  |

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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 + Details
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- Definition Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends. + 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 210.5-02.29,30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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