Marketable Equity Securities (Tables)

9 Months Ended

Sep. 30, 2020

Marketable Securities [Abstract]

Schedule of marketable securities

Marketable securities in equity securities with readily determinable market prices consisted of the following as of September 30, 2020 and December 31, 2019:

	Marketable equity securities at September 30, 2020
			Gross unrealized		Gross realized
	Cost		gains		gains (losses)		Fair value
Common shares	$	301,960	$	84,516	$	—	$	386,476

	Marketable equity securities at December 31, 2019
			Gross unrealized		Gross realized
	Cost		gains		gains (losses)		Fair value
Common shares	$	423,025	$	216,622	$	—	$	639,647

Schedule of additional information about marketable securities

The following table presents additional information about marketable equity securities:

	Marketable
	Equity Securities
Balance at January 1, 2020	$	639,647
Sales of marketable equity securities		(143,667	)
Realized gains on marketable equity securities		22,602
Unrealized losses on marketable equity securities		(132,106	)
Balance at September 30, 2020	$	386,476