Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.10.0.1
Stock-Based Compensation (Tables)
3 Months Ended
Oct. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Assumptions Used to Calculate Fair Value of Stock Based Compensation

The following assumptions were used for the Black-Scholes calculation of the fair value of stock-based compensation related to stock options granted during the periods presented:

 

    Three Months Ended
October 31, 2018
    Three Months Ended
October 31, 2017
 
Expected term (years)     5.00 – 6.5 years       5.00 – 6.5 years  
Risk-free interest rate     2.68 – 3.08 %     1.66 – 1.99 %
Volatility     72.88 – 81.80 %     74.87 –91.80 %
Dividend yield     0 %     0 %

Summary of Stock Option Activity

The following is a summary of the Company’s 2011 Plan and non-Plan stock option activity for the three months ended October 31, 2018:

 

          Weighted  
          Average  
          Exercise  
    Options     Price  
Outstanding - July 31, 2018     8,912,720     $ 1.50  
Granted     568,500     $ 1.53  
Exercised     (410,476 )   $ 1.31  
Forfeited/Cancelled     (1,538,541 )   $ 1.58  
Expired     (7,000 )   $ 5.76  
Outstanding – October 31, 2018     7,525,203     $ 1.49  
Exercisable – October 31, 2018     5,305,608     $ 1.53  

Summary of Common Stock Reserved for Future Issuance

The following table summarizes all common stock reserved for future issuance at October 31, 2018:

 

Common Stock options outstanding (within the 2011 Plan and outside of the terms of the 2011 Plan)     7,525,203  
Common Stock reserved for restricted stock unit release     518,020  
Common Stock authorized for future grant under the 2011 Plan     2,200,176  
Common Stock reserved for warrant exercise     8,928,905  
Commons Stock reserved for future ESPP issuance     410,903  
Total common stock reserved for future issuance     19,583,207