Warrant Liabilities (Tables)

12 Months Ended

Dec. 31, 2018

Warrant Liabilities [Abstract]

Schedule of Weighted-average Assumptions

The following reflects the weighted-average assumptions for each of the periods indicated:

	Year Ended December 31,
	2018		2017
Risk-free interest rate		—		1.53	%
Expected dividend yield		—		0	%
Expected lives		—		0.55
Expected volatility		—		96.7	%
Number of warrants classified as liabilities		—		2,834,246
Gain on warrant liabilities	$	527,075	$	1,367,777