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Warrant Liabilities (Details 1) (Warrant [Member], USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Warrant [Member]
   
Summary of fair value measurements using significant unobservable inputs (Level 3)    
Warrant liability, Beginning balance $ 8,281,247 $ 4,827,788
Decrease from Warrants Exercised in 2013 (1,055,490) (201,311)
Increase in Fair Value 203,703 3,654,770
Warrant liability, Ending balance $ 7,429,460 $ 8,281,247