Warrant Liability (Tables)

3 Months Ended

Mar. 31, 2023

Short-Term Debt [Line Items]

Schedule of Derivative Liabilities Assumptions

Stock price	$	0.85
Risk-free interest rate		3.62	%
Expected volatility		121	%
Expected life (in years)		5.3
Expected dividend yield		-

2023 Warrants [Member]

Short-Term Debt [Line Items]

Schedule of Derivative Liabilities Assumptions

The warrant liabilities for the Common Warrants and the Placement Agents Warrants were valued using a Binomial pricing model with the following assumptions:

	Common Warrants and Placement Agents Warrants
	At Inception			March 31, 2023
	(Unaudited)			(Unaudited)
Stock price	$	1.02		$	0.55
Risk-free interest rate		3.60	%		3.60	%
Expected volatility		121.5%			120.4%
Expected average life (in years)		5.0			4.76
Expected dividend yield		-			-
Fair value of warrants (in thousands)	$	5,831		$	2,919

2020 Warrants [Member]

Short-Term Debt [Line Items]

Schedule of Derivative Liabilities Assumptions

The warrant liabilities for the 2020 warrants were valued using a Binomial pricing model with the following assumptions:

	March 31,			December 31,
	2023			2022
	(Unaudited)
Stock price	$	0.55		$	0.89
Risk-free interest rate		4.06	%		4.22	%
Expected volatility		106.6	%		109	%
Expected life (in years)		2.3			2.6
Expected dividend yield		-			-
Fair value of warrants (in thousands)	$	7,000		$	19,000