Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2019

Investments, Debt and Equity Securities [Abstract]

Marketable securities owned by Company

	March 31, 2019		December 31, 2018
Beginning balance	$	8,703	$	41,862
Unrealized gain (loss) marked to fair value		13,881		(33,159	)
Ending balance	$	22,584	$	8,703