Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.3.0.814
Stock-Based Compensation (Tables)
3 Months Ended
Oct. 31, 2015
Stock-Based Compensation  
Schedule of assumptions used to calculate fair value of stock based compensation

 

                                                                                                                                                                        

 

 

October 31, 2015

 

October 31, 2014

 

Expected volatility

 

88.96% - 89.70%

 

88.82%-92.83%

 

Risk-free interest rate

 

0.86% - 1.74%

 

0.36%-2.13%

 

Expected forfeiture rate

 

0.00% 

 

0.00% 

 

Expected dividend yield

 

 

 

Expected term

 

2.8 – 6.5 years

 

2 - 7 years