Marketable Equity Securities

3 Months Ended

Mar. 31, 2021

Investments Debt And Equity Securities [Abstract]

Marketable Equity Securities

4. MARKETABLE EQUITY SECURITIES

Investments in marketable equity securities consisted of the following:

			Gross Unrealized
March 31, 2021	Cost Basis		Gains		Losses		Value
Investment in marketable equity securities
Common stocks	$	755,487	$	1,375,700	$	—	$	2,131,187
Total investment in marketable equity securities	$	755,487	$	1,375,700	$	—	$	2,131,187
			Gross Unrealized
December 31, 2020	Cost Basis		Gains		Losses		Value
Investment in marketable equity securities
Common stocks	$	755,487	$	1,160,964	$	—	$	1,916,451
Total investment in marketable equity securities	$	755,487	$	1,160,964	$	—	$	1,916,451