Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v2.4.1.9
Stock-Based Compensation (Tables)
6 Months Ended
Jan. 31, 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 share-based compensation during the three months ended January 31, 2015 and 2014:

 

 

 

January 31, 2015

 

January 31, 2014

 

Expected volatility

 

90.35%-91.86%

 

91.99%-92.62%

 

Risk-free interest rate

 

1.31%-1.94%

 

1.67%-1.87%

 

Expected forfeiture rate

 

0.00% 

 

0.00% 

 

Expected dividend yield

 

 

 

Expected term

 

5-6.5 years

 

5-6 years

 

 

The following assumptions were used to calculate the fair value of share-based compensation during the six months ended January 31, 2015 and 2014:

 

 

 

January 31, 2015

 

January 31, 2014

 

Expected volatility

 

88.82%-93.11%

 

83.62% -92.52%

 

Risk-free interest rate

 

0.36%-2.13%

 

0.69%-1.87%

 

Expected forfeiture rate

 

0.00% 

 

0.00% 

 

Expected dividend yield

 

 

 

Expected term

 

2-6.5 years

 

3-6 years