Fair Value of Financial Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities

	Fair value measured at December 31, 2021
	Total at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2021		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities:
Equities	$	11,427	$	11,427	$	-	$	-
Total marketable securities	$	11,427	$	11,427	$	-	$	-
Short-term investment	$	2,273	$	1,854	$	-	$	418
Notes receivable at fair value	$	6,984	$	-	$	-	$	6,984
Convertible note receivable at fair value	$	2,147	$	-	$	-	$	2,147

	Fair value measured at December 31, 2020
	Total at December 31,		Quoted prices in active markets		Significant other observable inputs		Significant unobservable inputs
	2020		(Level 1)		(Level 2)		(Level 3)
Assets
Marketable securities:
Equities	$	24,274	$	24,274	$	-	$	-
Mutual fund securities	$	527	$	527	$	-	$	-
	$	24,801	$	24,801	$	-	$	-
Investments	$	2,764	$	2,764	$	-	$	-

Schedule of fair value of the Company's Level 3 financial assets

	Fair Value of Level 3 short-term investment
	December 31, 2021		December 31, 2020
Beginning balance	$	-	$	-
Change in fair value of investment		418		-
Ending balance	$	418	$	-

	Fair Value of Level 3 Notes receivable at fair value
	December 31, 2021		December 31, 2020
Beginning balance	$	-	$	-
Purchase of notes receivable		6,880		-
Accrued interest receivable		105		-
Ending balance	$	6,984	$	-

	Fair Value of Level 3 Convertible note receivable
	December 31, 2021		December 31, 2020
Beginning balance	$	-	$	-
Purchase of notes receivable		2,000		-
Accrued interest receivable		147		-
Ending balance	$	2,147	$	-