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STOCK-BASED COMPENSATION (Detail Textuals 1) - USD ($) | 1 Months Ended | 3 Months Ended | 6 Months Ended | 108 Months Ended
--- | --- | --- | --- | ---
Apr. 30, 2015 | Dec. 31, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of options granted |  |  |  |  | 103,025 |  |
Number of options outstanding |  | 1,788,717 | 1,890,824 |  | 1,890,824 |  |
Options granted, exercise price per share |  |  |  |  | $ 5.863 |  |
Stock based compensation expense |  |  |  |  | $ 1,680,247 | $ 91,916 |
Stock Options |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Unrecognized compensation cost of nonvested stock awards |  |  | $ 2,900,000 |  | $ 2,900,000 |  |
Weighted average period of compensation cost expected to be recognized |  |  |  |  | 1 year 7 months 6 days |  |
Stock Options | Executive officers and employees |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of options granted |  |  |  |  |  |  | 206,172
Number of options forfeited |  |  |  |  |  |  | 26,163
Number of options outstanding |  |  |  |  |  |  | 180,009
Options to purchase an aggregate common stock no longer considered to be probable of achievement by September 25, 2015 | (41,958) |  |  |  |  |  |
Stock Options | Executive officers and employees | General and administrative expense |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Stock based compensation expense |  |  | $ 880,000 | $ 87,000 | $ 1,700,000 | $ 88,000 |
Stock Options | Executive Officers |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Number of options granted |  | 1,729,766 |  |  |  |  |
Number of options outstanding |  |  | 1,853,831 |  | 1,853,831 |  |
Term of employee share base compensation arrangement |  | 10 years |  |  |  |  |
Number of options expired |  | 41,958 |  |  |  |  |
Number of options exercised |  | 13,985 |  |  |  |  |
Stock Options | Minimum | Executive officers and employees |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted, exercise price per share |  |  |  |  |  |  | $ 0.79
Stock Options | Minimum | Executive Officers |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted, exercise price per share |  | $ 5.86 |  |  |  |  |
Stock Options | Maximum | Executive officers and employees |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted, exercise price per share |  |  |  |  |  |  | $ 1.27
Stock Options | Maximum | Executive Officers |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |
Options granted, exercise price per share |  | $ 13.23 |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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