Warrant Liabilities (Tables)

12 Months Ended

Dec. 31, 2016

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,
	2016			2015			2014
Risk-free interest rate		0.90	%		0.57	%		0.46	%
Expected dividend yield		0	%		0	%		0	%
Expected lives		1.23			0.59			1.59
Expected volatility		119.1	%		61.7	%		89.7	%
Number of warrants classified as liabilities		28,515,071			6,371,854			6,371,854
Gain (Loss) on warrant liabilities	$	3,827,617		$	4,437,628		$	19,051,239