STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2018

STOCKHOLDERS' EQUITY (Tables) [Line Items]

Share-based compensation expense consisted of the following:


		Year ended December 31,
		2018		2017
Employee Awards	$	3,626,271	$	3,742,294
Consulting Awards		306,466		34,399
Feinsod Agreement		2,062,270		104,134
	$	5,995,007	$	3,880,827

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

The following summarizes Employee Awards activity:


	Number of Shares		Weighted-average Exercise Price per Share	Weighted-average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding at December 31, 2016	8,818,400	$	1.04
Granted	1,496,100		2.29
Exercised	(1,012,522)		0.78
Forfeited or expired	(596,700)		1.19
Outstanding at December 31, 2017	8,705,278		1.28
Granted	2,160,525		3.41
Exercised	(731,264)		0.99
Forfeited or expired	(961,159)		2.47
Outstanding at December 31, 2018	9,173,380		1.68	6.0	$	3,934,000

Exercisable at December 31, 2018	7,133,905	$	1.18	6.7	$	3,934,000


	Number of Shares		Weighted-average Exercise Price per Share	Weighted-average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding at December 31, 2016	157,500	$	1.96
Granted	10,000		1.40
Forfeited or expired	(40,000)		3.62
Outstanding at December 31, 2017	127,500		2.40
Granted	35,000		3.08
Exercised	(75,000)		1.31
Forfeited or expired	(37,500)		1.66
Outstanding and exercisable at December 31, 2018	50,000		2.53	1.3	$	4,000


	Number of Shares		Weighted-average Exercise Price per Share	Weighted-average Remaining Contractual Term (in years)		Aggregate Intrinsic Value
Outstanding at December 31, 2016	9,025,843	$	0.63
Granted	(5,633,517)		0.61
Cancelled	(40,626)		1.16
Outstanding at December 31, 2017	3,351,700		0.65
Granted	6,000,000		2.35
Exercised	(3,316,786)		0.77
Expired	(42,700)		5.00
Outstanding and exercisable at December 31, 2018	5,992,214		2.26	1.3	$	186,620

Employee Awards [Member]

STOCKHOLDERS' EQUITY (Tables) [Line Items]

Schedule of Assumptions Used [Table Text Block]

Share-based compensation costs for award grants to employees and directors (“Employee Awards”) are recognized on a straight-line basis over the service period for the entire award, with the amount of compensation cost recognized at any date equaling at least the portion of the award that is vested. The following summarizes the Black-Scholes assumptions used for Employee Awards granted:


	Year ended December 31,
	2018	2017
Exercise price	$1.71 – 7.17	$1.34 – 4.23
Stock price on date of grant	$1.71 – 7.17	$1.34 – 4.23
Volatility	131 – 140%	140 – 153%
Risk-free interest rate	2.1 – 2.9%	1.4 – 2.3%
Expected life (years)	3.0	3.0 – 5.0
Dividend yield	–	–


		Year ended December 31,
		2018		2017
Exercise price	$	3.08	$	1.40
Stock price, date of valuation	$	3.08	$	1.40
Volatility		134%		128%
Risk-free interest rate		2.3%		1.7%
Expected life (years)		2.0		2.0
Dividend yield		–		–

- 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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