Warrant Liability (Tables)

6 Months Ended

Jun. 30, 2023

Short-Term Debt [Line Items]

Schedule of Derivative Liabilities Assumptions

Stock price	$	$0.35 - $0.85
Risk-free interest rate		3.62% - 3.99	%
Expected volatility		120.81% - 123.61	%
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 weighted average assumptions:

	Common Warrants and Placement Agents Warrants
	June 30, 2023			At Inception
	(Unaudited)			(Unaudited)
Stock price	$	0.31		$	1.20
Risk-free interest rate		4.13	%		3.60	%
Expected volatility		119.7	%		121.5	%
Expected life (in years)		5.0 – 4.5			5.0
Expected dividend yield		-			-
Fair value of warrants (in thousands)	$	1,535		$	5,831

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:

	June 30,			December 31,
	2023			2022
	(Unaudited)
Stock price	$	0.31		$	0.89
Risk-free interest rate		4.87	%		4.22	%
Expected volatility		91	%		109	%
Expected life (in years)		2.1			2.6
Expected dividend yield		-			-
Fair value of warrants	$	3		$	19