Warrant Liabilities (Details 1) (Warrant [Member], USD $)	3 Months Ended
	Mar. 31, 2015
Warrant [Member]
Summary of fair value measurements using significant unobservable inputs (Level 3)
Warrant liability, Beginning balance	$ 3,789,562
Decrease from Warrants Exercised in 2015	(1,648,811)
Increase in Fair Value	3,011,616
Warrant liability, Ending balance	$ 5,152,367