Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Summary of Common Stock Reserved For Future Issuance (Details)

v3.5.0.2
Stock-Based Compensation - Summary of Common Stock Reserved For Future Issuance (Details) - shares
Jul. 31, 2016
Jul. 31, 2015
[1]
Jul. 31, 2014
[1]
Stock-based Compensation - Summary Of Common Stock Reserved For Future Issuance Details      
Common Stock options outstanding (within the 2011 Plan and outside of the terms of the 2011 Plan) 3,263,460 1,148,764 588,045
Common Stock reserved for restricted stock unit release 655,000    
Common Stock authorized for future grant under the 2011 Plan 330,408    
Common Stock reserved for warrant exercise 12,859,286    
Commons Stock reserved for future ESSP issuance 482,211    
Total common stock reserved for future issuance 17,590,365    
[1] Recast to reflect the 1-for-20 reverse stock split effected May 2015