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Stockholders' Deficit (Tables)
9 Months Ended
Sep. 30, 2013
Equity [Abstract]  
Stock Options Valuation Assumptions

Because option valuation models require the use of subjective assumptions, changes in or variations from these assumptions can materially affect the fair value of the options.

 

     September 30,
2013
    September 30,
2012
 

Risk-free interest rate

     1.28     0.56

Expected volatility of common stock

     59.16     71.43

Dividend yield

     0     0

Expected life of options

     4.1 years        4.1 years