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Warrant Liabilities (Tables)
3 Months Ended
Mar. 31, 2014
Warrant Liabilities [Abstract]  
Summary of assumptions used in connection with the valuation of warrants issued
December 31,
2013
   
January 22,
2014
   
March 31,
2014
 
                   
Number of shares underlying the warrants
    5,309,438       5,309,438       5,059,438  
Exercise price
  $ 1.65     $ 1.65     $ 1.65  
Volatility
    135 %     135 %     133 %
Risk-free interest rate
    1.75 %     1.30 %     1.32 %
Expected dividend yield
    0       0       0  
Expected warrant life (years)
    4.5       4.42       4.25  
Stock Price
  $ 1.80     $ 2.29     $ 2.24  
 
Summary of fair value measurements using significant unobservable inputs (Level 3)

 
December 31,
2013
   
Decrease
from
Warrants
Exercised
in 2014
   
Increase in
Fair Value
   
March 31,
2014
 
Warrant liability
  $ 8,281,247     $ (502,025 )   $ 1,742,090     $ 9,521,312