Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation (Tables)

v3.10.0.1
Stock-Based Compensation (Tables)
12 Months Ended
Jul. 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:

 

   

Year Ended

July 31, 2018

   

Year Ended

July 31, 2017

 
Expected term (years)      5.00 – 6.50 years %      2.08 – 10 years %
Risk-free interest rate      1.66 - 2.90 %      0.82 – 2.52 %
Volatility      73.24 – 91.99 %      71.9 –124.5 %
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 years ended July 31, 2018 and 2017:

 

          Weighted  
          Average  
          Exercise  
    Options     Price  
Outstanding - July 31, 2016     3,263,460     $ 5.88  
Granted     3,028,536     $ 1.41  
Exercised     (7,500 )   $ 1.29  
Forfeited/Cancelled/Expired     (2,644,883 )   $ 6.21  
Outstanding - July 31, 2017     3,639,613     $ 1.94  
Granted     6,286,500     $ 1.38  
Exercised     (252,270 )   $ 1.27  
Forfeited/Cancelled     (761,123 )   $ 2.66  
Outstanding – July 31, 2018     8,912,720     $ 1.50  
Exercisable – July 31, 2018     5,674,496     $ 1.55  

Summary of Common Stock Reserved for Future Issuance

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

 

Common Stock options outstanding (within the 2011 Plan and outside of the terms of the 2011 Plan)     8,912,720  
Common Stock reserved for restricted stock unit release     647,500  
Common Stock authorized for future grant under the 2011 Plan     760,010  
Common Stock reserved for warrant exercise     8,958,059  
Commons Stock reserved for future ESPP issuance     410,903  
Total common stock reserved for future issuance     19,689,192