Fair Value of Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities

The following table presents the Company's assets and liabilities that are measured at fair value at December 31, 2019 and 2018 ($ in thousands):

	Fair value measured at December 31, 2019
	Total at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2019		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities - mutual and exchange traded funds	$	857	$	857	$	-	$	-
Investments in Hoth	$	10,128	$	10,128	$	-	$	-

	Fair value measured at December 31, 2018
	Total at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2018		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities - mutual and exchange traded funds	$	2,700	$	2,700	$	-	$	-
Investments in Hoth	$	9,214	$	-	$	-	$	9,214
Liabilities
Fair value of warrant liabilities	$	82	$	-	$	-	$	82

Schedule of financial assets measured at fair value on a recurring basis

The following table sets forth a summary of the changes in the fair value of the Company's Level 3 financial assets that are measured at fair value on a recurring basis:

	Fair Value of Level 3 investment
	December 31, 2019			December 31, 2018
Beginning balance	$	9,214		$	1,020
Transfer of Hoth From Level 3 to Level 1 upon IPO		(9,214	)		-
Change in fair value of Hoth		-			8,194
Ending balance	$	-		$	9,214

Schedule of fair value assumptions

A summary of quantitative information with respect to the valuation methodology and significant unobservable inputs used for the Company's valuation in Hoth that are categorized within Level 3 of the fair value hierarchy at the date of issuance and as of December 31, 2018 is as follows:

Date of valuation	December 31, 2018
Risk-free interest rate		2.45	%
Expected volatility		75.00	%
Contractual life (in years)		0.17

A summary of quantitative information with respect to the valuation methodology and significant unobservable inputs used for the Company's warrant liabilities that are categorized within Level 3 of the fair value hierarchy at the date of issuance and as of December 31, 2019 and 2018 is as follows:

Date of valuation	December 31, 2019	December 31, 2018
Contractual life (in years)	0.93-1.06	1.94-2.06
Expected volatility	74% - 100%	72% - 103%
Risk-free interest rate	1.59%	2.48%

Schedule of fair value of the company's level 3 financial liabilities

The following table sets forth a summary of the changes in the fair value of the Company's Level 3 financial liabilities that are measured at fair value on a recurring basis for the year ended December 31, 2019 and 2018 ($ in thousands):

	Fair Value of Level 3 financial liabilities
	December 31, 2019			December 31, 2018
Beginning balance	$	82		$	822
Fair value adjustment of warrant liabilities		(82	)		(740	)
Ending balance	$	-		$	82