Stockholders’ Equity (Tables)

6 Months Ended

Jun. 30, 2021

Equity [Abstract]

Schedule of Stock Options Activity

The following table summarizes stock options activity during the six months ended June 30, 2021 for the Amended 2010 Plan, the Amended 2010 Directors’ Plan and the 2018 Stock Plan (in thousands, except per share data):

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)		Total Intrinsic Value
Outstanding as of January 1, 2021		3,795		$	2.21		3.4	$	26,441
Granted		675			9.13		5.1		-
Forfeited		(92	)		5.31		-		-
Outstanding as of June 30, 2021		4,378		$	3.06		3.2	$	16,182
Options vested and exercisable		3,573		$	2.22		2.7	$	15,183

Summary of Weighted Average Assumptions Used In Determining Fair Value of Options

The following table summarizes weighted average assumptions used in determining the fair value of the options at the date of grant during the six months ended June 30, 2021:

	For the six months ended
	June 30, 2021
Exercise price	$	9.13
Expected term (years)		3.5
Expected stock price volatility		83	%
Risk-free rate of interest		0.6	%
Expected dividend yield (per share)		0	%

Schedule of Warrant Activity

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life (in years)
Outstanding as of January 1, 2021		450	$	3.22		2.7
Warrants granted		455		12.83		3.0
Outstanding as of June 30, 2021		905	$	8.05		2.4
Warrants vested and exercisable		815	$	8.61		2.4

Summary of Weighted Average Assumptions Used in Determining Fair Value of Warrants

The following table summarizes weighted average assumptions used in determining the fair value of the warrants at the date of grant during the six months ended June 30, 2021:

	For the six months ended
	June 30, 2021
Exercise price	$	12.83
Expected term (years)		3.0
Expected stock price volatility		81	%
Risk-free rate of interest		0.2	%
Expected dividend yield (per share)		0	%