Short-term Investments (Tables)

12 Months Ended

Dec. 31, 2021

Shortterm Investment Investment In Dat Chat Inc [Abstract]

Schedule of short-term investment

	As of December 31,
	2021		2020
Investment in Hoth Therapeutics, Inc.	$	770	$	-
Investment in DatChat, Inc.		1,084		-
Investment in Vicinity Motor Corp.		418		-
Total	$	2,273	$	-

Schedule of company investment in Hoth

Security Name	Shares Owned as of December 31, 2021		Fair value per Share as of December 31, 2021		Fair value as of December 31, 2021 (in thousands)
HOTH		1,166,415	$	0.66	$	770

Security Name	Shares Owned as of December 31, 2020		Fair value per Share as of December 31, 2020		Fair value as of December 31, 2020 (in thousands)
HOTH		1,166,415	$	2.37	$	2,764

Schedule of investment in DatChat

Security Name	Shares Owned as of December 31, 2021		Fair value per Share as of December 31, 2021		Fair value as of December 31, 2021 (in thousands)
DATS		357,916	$	3.03	$	1,084

Schedule of quantitative information fair value measurements inputs

	As of Octorber 25, 2021			As of December 31, 2021
Option term (in years)		3.0			2.8
Volatility		94.10	%		95.52	%
Risk-free interest rate		0.76	%		0.97	%
Expected dividends		0.00	%		0.00	%
Stock price	$	4.11		$	3.50