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STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2022

STOCK-BASED COMPENSATION [Abstract]

Stock Option Granted

During the three and six months ended June 30, 2022 and 2021, the Company granted the following stock options (in thousands):

		Three months ended June 30,								Six months ended June 30,
		2022				2021				2022				2021
Stock options granted			723				3,366				1,981				3,366

Weighted-Average Assumptions Used for Stock Options Granted

The following weighted-average assumptions were used for stock options granted during the three and six months ended June 30, 2022 and 2021:

		Three months ended June 30,
		2022				2021
Weighted average risk-free rate			2.74%				1.06%
Weighted average volatility			92.74%				134.30%
Dividend yield			0%				0%
Expected term		4.15 years				6.08 years

		Six months ended June 30,
		2022				2021
Weighted average risk-free rate			2.42%				1.06%
Weighted average volatility			92.85%				134.30%
Dividend yield			0%				0%
Expected term		4.79 years				6.08 years

RSU Granted

During the three and six months ended June 30, 2022 and 2021, the Company granted the following restricted stock units (“RSUs”) (in thousands):

		Three months ended June 30,								Six months ended June 30,
		2022				2021				2022				2021
RSUs Granted			-				105				1,101				105

RSUs Vested and Settled

The following table shows the number of RSUs that vested and were settled during the three and six months ended June 30, 2022, as well as the number of shares of common stock withheld to cover the withholding taxes and the net shares issued upon settlement (in thousands):

		Three months ended				Six months ended
		June 30, 2022				June 30, 2022
RSUs vested			26				35
Common stock withheld to cover taxes			(9	)			(9	)
Common stock issued			17				26

Stock-Based Compensation Expense

For the three and six months ended June 30, 2022 and 2021, the Company recognized stock-based compensation expense as follows, which includes the expense related to Dr. Federoff’s modified awards discussed above (in thousands):

		Three months ended June 30,								Six months ended June 30,
		2022				2021				2022				2021
Research and development		$	470			$	168			$	892			$	570
General and administrative			409				986				1,170				1,003
Total		$	879			$	1,154			$	2,062			$	1,573

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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