Quarterly report pursuant to sections 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
3 Months Ended
Oct. 31, 2013
Stock-Based Compensation  
Schedule of assumptions used to calculate fair value of share based compensation

 

 

October 31, 2013

 

October 31, 2012

 

Expected volatility

 

83.62%

 

79.25% - 97.85%

 

Risk-free interest rate

 

0.69%

 

0.36% - 1.92%

 

Expected forfeiture rate

 

0.00%

 

0.00%

 

Expected dividend yield

 

 

 

Expected term

 

3 years

 

3 - 10 years