Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.10.0.1
Stock-Based Compensation (Tables)
6 Months Ended
Jan. 31, 2019
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:

 

    Six Months Ended
January 31, 2019
    Six Months Ended
January 31, 2018
 
Expected term (years)     5.00 – 6.5 years       5.00 – 6.5 years  
Risk-free interest rate     2.47 – 3.09 %     1.66 – 2.43 %
Volatility     72.88 – 81.96 %     73.30 –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 six months ended January 31, 2019:

 

          Weighted  
          Average  
          Exercise  
    Options     Price  
Outstanding - July 31, 2018     8,912,720     $ 1.50  
Granted     2,616,000     $ 0.86  
Exercised     (430,293 )   $ 1.32  
Forfeited/Cancelled     (1,943,118 )   $ 1.58  
Expired     (7,000 )   $ 5.76  
Outstanding – January 31, 2019     9,148,309     $ 1.30  
Exercisable – January 31, 2019     5,490,692     $ 1.49  

Summary of Common Stock Reserved for Future Issuance

The following table summarizes all common stock reserved for future issuance at January 31, 2019:

 

Common Stock options outstanding (within the 2011 Plan and outside of the terms of the 2011 Plan)     9,148,309  
Common Stock reserved for restricted stock unit release     1,138,541  
Common Stock authorized for future grant under the 2011 Plan     974,128  
Common Stock reserved for warrant exercise     8,928,905  
Commons Stock reserved for future ESPP issuance     396,616  
Total common stock reserved for future issuance     20,586,499