v2.4.0.8
Employee Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2014
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The weighted average grant date fair value of the options was $5.71 and was determined using the Black-Scholes option-pricing model with the following weighted average assumptions:

 

Expected life

5.8 years

 

Expected volatility

92.1%

 

Expected dividend yield

0.00%

 

Risk-free rate

1.83%