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STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

SCHEDULE OF STOCK BASED COMPENSATION

The following table summarizes stock option-based compensation for the three and nine months ended September 30, 2020 and 2019:

SCHEDULE OF STOCK BASED COMPENSATION

		For the three months ended September 30,								For the nine months ended September 30,
		2020				2019				2020				2019
Research and development		$	765,000			$	972,000			$	2,380,000			$	3,013,000
General and administrative			484,000				854,000				1,703,000				2,594,000
Stock option-based compensation expense included in operating expense			1,249,000				1,826,000				4,083,000				5,607,000
Total stock option-based compensation expense			1,249,000				1,826,000				4,083,000				5,607,000
Tax benefit			-				-				-				-
Stock option-based compensation expense, net of tax		$	1,249,000			$	1,826,000			$	4,083,000			$	5,607,000

SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED

We used the following weighted-average assumptions to estimate the fair value of the options granted for the periods indicated:

SCHEDULE OF WEIGHTED-AVERAGE ASSUMPTIONS TO ESTIMATE THE FAIR VALUE OF THE OPTIONS GRANTED

		For the three months ended September 30,								For the nine months ended September 30,
		2020				2019				2020				2019
Expected volatility			110%				103%				111%				108%
Expected term			6.25 years				6.25 years				6.25 years				5.09 years
Risk-free interest rate			0.16%				1.83%				0.29%				2.21%
Expected dividend yield			0%				0%				0%				0%

SCHEDULE OF OPTIONS ACTIVITY

The following table summarizes the options granted for the periods indicated:

SCHEDULE OF OPTIONS ACTIVITY

		For the three months ended September 30,								For the nine months ended September 30,
		2020				2019				2020				2019
Options granted			342,100				105,600				3,415,146				1,490,490
Weighted-average:
Exercise price		$	3.08			$	2.58			$	2.38			$	6.53
Grant date fair value		$	2.56			$	2.09			$	1.99			$	5.14

Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

SCHEDULE OF STOCK BASED COMPENSATION

The following table summarizes restricted common stock compensation expense for the three and nine months ended September 30, 2020 and 2019:

SCHEDULE OF STOCK BASED COMPENSATION

		For the three months ended September 30,								For the nine months ended September 30,
		2020				2019				2020				2019
Research and development		$	89,000			$	66,000			$	561,000			$	66,000
General and administrative			72,000				32,000				251,000				282,000
Restricted stock-based compensation expense included in operating expense			161,000				98,000				812,000				348,000
Total restricted stock-based compensation expense			161,000				98,000				812,000				348,000
Tax benefit			-				-				-				-
Restricted stock-based compensation expense, net of tax		$	161,000			$	98,000			$	812,000			$	348,000

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