Fair Value Measurements (Summary of Changes in Fair Value of Level 3 Liabilities) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Unrealized (Gains)	$ (120,615)	$ 782,549	$ 217,630	$ 1,025,190
Ending Balance	590,049		590,049
Level 3 [Member] | Warrants [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Beginning Balance			807,679	1,740,235
Unrealized (Gains)			(217,630)	(1,025,190)
Ending Balance	$ 590,049	$ 715,045	$ 590,049	$ 715,045