Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.0.8
Stock-Based Compensation (Tables)
9 Months Ended
Apr. 30, 2014
Stock-Based Compensation  
Schedule of assumptions used to calculate fair value of share based compensation

 

 

 

April 30, 2014

 

April 30, 2013

 

Expected volatility

 

83.62% - 92.52%

 

81.92% - 97.85%

 

Risk-free interest rate

 

0.69% - 2.10%

 

0.31% - 1.97%

 

Expected forfeiture rate

 

0.00%

 

0.00%

 

Expected dividend yield

 

 

 

Expected term

 

3 - 10 years

 

3 - 10 years