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Summary of Significant Accounting Policies (Details 1) (Fair Value, Inputs, Level 3 [Member], USD $)
 6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Inputs, Level 3 [Member]
      
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]      
Beginning balance $ (20,103,425) $ (5,090,988)   
Change in fair value of derivative liabilities included in net loss for the six months ended June 30, 2014 and for the years ended December 31, 2013 and 2012, respectively (7,954,970) (12,877,675) (3,688,353)
Additions - warrant instruments (4,333,163) (373,699) (119,029)
Transfer of - warrant instruments to additional paid in capital 6,804,625      
Additions - conversion feature of Series A preferred stock    (1,761,063) (1,283,606)
Ending balance $ (25,586,933) $ (20,103,425) $ (5,090,988)