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Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2013
Equity [Abstract]  
Assumptions for Calculating Fair Value of the Common Stock Warrants

For the purposes of these calculations, the fair value of the common stock warrants was estimated using the following assumptions:

 

•    Risk free rate

     2.60 %

•    Expected life of warrants

     10 years   

•    Expected dividend yield

     3.50 %

•    Expected volatility

     26.5

•    Weighted average fair value

   $ 2.28