Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.1.9
Stock-Based Compensation (Tables)
9 Months Ended
Apr. 30, 2015
Stock-Based Compensation  
Schedule of assumptions used to calculate fair value of share based compensation

 

The following assumptions were used to calculate the fair value of stock-based compensation during the three months ended April 30, 2015 and 2014:

 

 

 

April 30, 2015

 

April 30, 2014

 

Expected volatility

 

87.68%-117.51%

 

88.65%-91.96%

 

Risk-free interest rate

 

0.87%-1.86%

 

1.46%-2.78%

 

Expected forfeiture rate

 

0.00% 

 

0.00% 

 

Expected dividend yield

 

 

 

Expected term

 

3-6.5 years

 

5-10 years

 

 

The following assumptions were used to calculate the fair value of stock-based compensation during the nine months ended April 30, 2015 and 2014:

 

 

 

April 30, 2015

 

April 30, 2014

 

Expected volatility

 

87.68%-117.51%

 

83.62% -92.52%

 

Risk-free interest rate

 

0.40%-2.13%

 

0.69%-2.78%

 

Expected forfeiture rate

 

0.00% 

 

0.00% 

 

Expected dividend yield

 

 

 

Expected term

 

2-6.5 years

 

3-10 years