WARRANTS (Tables)

3 Months Ended

Mar. 31, 2018

Warrants and Rights Note Disclosure [Abstract]

A roll-forward of warrant share activity from January 1, 2017 to March 31, 2017 is shown in the following table:



	Issued and Outstanding Warrants as of January 1, 2017	Warrants Issued	Warrants Exercised/ Expired			Issued and Outstanding Warrants as of March 31, 2017
Bridge Warrants	249,999	—	—			249,999
Consulting Warrants	98,000	—	(41,889	)	(1)	56,111
Financing Warrants	78,186	—	—			78,186
Underwriting Warrants	310,500	—	—			310,500
IR Consulting Warrants	48,000	—	—			48,000
Private Placement Warrants - 2016	1,995,124	—	(9,000	)	(2)	1,986,124
Underwriting Warrants- Public Offering 2016	135,750	—				135,750
Private Placement Warrants - February 2017	—	1,626,898				1,626,898
	2,915,559	1,626,898	(50,889	)		4,491,568

(1) During the three months ended March 31, 2017, there were 41,889 common stock warrants that were exercised through cashless exercises which resulted in 41,800 shares being issued.

(2) During the three months ended March 31, 2017, there were 9,000 common stock warrants that were exercised through cashless exercises which resulted in 3,510 shares being issued.

A roll-forward of warrant share activity from January 1, 2018 to March 31, 2018 is shown in the following table:



	Issued and Outstanding Warrants as of January 1, 2018	Warrants Issued	Warrants Exercised/ Expired			Issued and Outstanding Warrants as of March 31, 2018
Bridge Warrants	249,999	—	(249,999	)	(1)	—
Consulting Warrants	12,223	—	—			12,223
Financing Warrants	62,530	—	—			62,530
Underwriting Warrants	310,500	—	—			310,500
IR Consulting Warrants	6,000	—	—			6,000
Private Placement Warrants - 2016	891,063	—	(15,000	)	(2)	876,063
Underwriting Warrants - Public Offering 2016	122,175	—	—			122,175
Private Placement Warrants - September 2017	1,976,919	—	—			1,976,919
Placement Agent Warrants	98,846					98,846
	3,730,255	—	(264,999	)		3,465,256


(1)	During the three months ended March 31, 2018, there were 249,999 warrants that were exchanged for 242,913 shares of common stock in an exchange transaction where the warrant holders exchanged the warrants for the same number of shares they would have been entitled to in a cashless exercise.

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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