Investments in Securities (Tables)

12 Months Ended

Dec. 31, 2017

Investments Debt And Equity Securities [Abstract]

Schedule of Investments in Securities

Investments in securities as of December 31, 2017 and 2016consisted of the following:

			Gross Unrealized
December 31, 2017	Cost Basis		Gains		Losses		Value
Investment securities, available-for-sale
Common stocks	$	755,487	$	796,603	$	—	$	1,552,090
Total investment in securities	$	755,487	$	796,603	$	—	$	1,552,090
			Gross Unrealized
December 31, 2016	Cost Basis		Gains		Losses		Value
Investment securities, available-for-sale
Common stocks	$	755,487	$	718,463	$	—	$	1,473,950
Total investment in securities	$	755,487	$	718,463	$	—	$	1,473,950