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STOCKHOLDERS' EQUITY | 12 Months Ended
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Dec. 31, 2017
Stockholders' Equity Note [Abstract] |
STOCKHOLDERS’ EQUITY | NOTE 7 – STOCKHOLDERS’ EQUITY 2017 Financing On October 19, 2017, we closed an underwritten public offering of 5,750,000 shares of common stock, at a public offering price of $16.00 per share. The gross proceeds to the Company were approximately $92,000,000, before deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company. During the third quarter of 2017 we received additional financing of $5.0 million through warrant exercises of our $8.00 warrants During the second half of 2017 we received additional financing of $0.9 million through warrant exercises of our $5.00 warrants 2016 Financing On November 1, 2016, we closed an underwritten public offering of 6,000,000 shares of common stock, at a public offering price of $7.00 per share. On November 23, 2016, we closed a follow-on offering of 293,889 shares as permitted by the underwriting agreement at the same offering price of $7.00 per share. The gross proceeds to the Company were $44,057,000, before deducting the underwriting discounts and commissions and estimated offering expenses payable by the Company. Warrants There were warrants to purchase a total of 2,934,685 shares of common stock outstanding at December 31, 2017. All warrants were exercisable at December 31, 2017. The warrants had various exercise prices and terms as follows:
|  | Warrants |  | Exercise |  | Expiration |
Summary of Warrants |  | Outstanding |  | Price |  | Date |
2015 Financing 7/31/15 (a) |  |  | 20,000 |  | $ | 6.05 |  |  | 07/31/20 |
2015 Financing 5/11/15 agent warrants (b) |  |  | 50,000 |  |  | 11.00 |  |  | 5/11/20 |
2014 Financing 12/24/14 (c) |  |  | 2,395,949 |  |  | 5.00 |  |  | 12/24/19 |
2014 Financing 12/24/14 agent warrants (c) |  |  | 68,735 |  |  | 5.00 |  |  | 12/18/19 |
2012 Series B private placement (d) |  |  | 400,001 |  |  | 25.00 |  |  | 10/24/18 |
Total |  |  | 2,934,685 |  |  |  |  |  |  |
| a) | In connection with the offering on July 31, 2015, the placement agent received warrants to purchase 20,000 share of common stock at $6.05 per share. The warrants are exercisable and expire on July 31, 2020.
| b) | In connection with the offering on May 11, 2015, the placement agent received warrants to purchase 50,000 share of common stock at $11.00 per share. The warrants are exercisable and expire on May 11, 2020.
| c) | In connection with an offering on December 24, 2014, warrants to purchase 3,500,000 shares of common stock at $5.00 per share were purchased and issued for $0.01 per warrant. All of the warrants are exercisable and expire on December 24, 2019. At December 31, 2017, 2,395,949 warrants are outstanding.
Also in connection with the offering on December 24, 2014, the underwriter received warrants to purchase 68,735 shares of common stock at $5.00 per share. The warrants are exercisable and expire on December 18, 2019.
| d) | In connection with a private placement offering on October 25, 2012, warrants to purchase 400,001 shares of common stock at $25.00 per share were issued. All of the warrants are exercisable and expire on October 24, 2018.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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