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Warrant Liabilities (Tables)
9 Months Ended
Sep. 30, 2013
Warrant Liabilities [Abstract]  
Summary of assumptions used in connection with the valuation of warrants issued
 
   
September 30,
2013
  
Initial Measurement
June 25,
2013
 
Number of shares underlying the warrants
  5,309,438   5,416,851 
Exercise price
 $1.65  $1.65 
Volatility
  142%  140%
Risk-free interest rate
  1.39%  1.49%
Expected dividend yield
  0   0 
Expected warrant life (years)
  4.74   5 
Stock Price
 $2.09  $0.96
Summary of fair value measurements using significant unobservable inputs (Level 3)
 
   
Initial 
Measurement
June 25, 2013
   
Decrease in
Warrants
Exercised in 2013
   
Increase in
 Fair Value
   
September 30, 2013
 
Warrant liability
  $ 4,827,788     $ (201,311 )   $ 5,349,422     $ 9,975,899