Warrant Liabilities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Derivative [Line Items]
Gain (Loss) on warrant liabilities	$ 3,827,617	$ 4,437,628	$ 19,051,239
Warrants issued (in shares)	28,600,000
Exercised (in shares)	56,358
Warrant [Member]
Derivative [Line Items]
Risk-free interest rate	0.90%	0.57%	0.46%
Expected dividend yield	0.00%	0.00%	0.00%
Expected lives	1 year 2 months 23 days	7 months 2 days	1 year 7 months 2 days
Expected volatility	119.10%	61.70%	89.70%
Number of warrants classified as liabilities (in shares)	28,515,071	6,371,854	6,371,854
Gain (Loss) on warrant liabilities	$ 3,827,617	$ 4,437,628	$ 19,051,239
Exercised (in shares)	56,358