Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details)

v3.3.0.814
Commitments and Contingencies (Details)
12 Months Ended
Jun. 24, 2015
USD ($)
shares
Jun. 15, 2015
USD ($)
Apr. 15, 2015
USD ($)
Mar. 06, 2015
USD ($)
agreement
Dec. 31, 2014
USD ($)
ft²
$ / item
Dec. 01, 2014
USD ($)
item
Jul. 01, 2014
USD ($)
Jun. 15, 2014
USD ($)
ft²
Apr. 01, 2014
USD ($)
May. 31, 2013
USD ($)
Jul. 31, 2015
USD ($)
Jul. 31, 2014
USD ($)
Jul. 31, 2013
USD ($)
Research Agreement                          
Separation package                     $ 353,909    
Additional stock-based compensation expense                     2,548,000 $ 1,816,000 $ 452,000
Rent expense                          
Total rent expense                     349,000 $ 141,000 $ 128,000
Future minimum operating lease payments                          
2016                     190,000    
2017                     853,000    
2018                     1,136,000    
2019                     1,170,000    
2020                     1,206,000    
Thereafter                     6,944,000    
Total minimum payments                     $ 11,499,000    
Minimum                          
Research Agreement                          
Expected term                     1 year 7 months 6 days 1 year 3 years
Maximum                          
Research Agreement                          
Expected term                     6 years 6 months 10 years 10 years
Chief Financial Officer | Employment Agreements                          
Contingencies                          
Term for payment of health benefits 12 months                        
Research Agreement                          
Severance costs $ 309,833                        
Number of days of pay in lieu of notice under the agreement 30 days                        
Pro rata bonus $ 35,100                        
Accelerated vesting of stock options | shares 31,586                        
Extended exercise period 1 year                        
Separation package                     $ 354,000    
Expected term                     1 year    
Expected dividend yield (as a percent)                     0.00%    
Expected volatility (as a percent)                     74.61%    
Risk-free interest rate (as a percent)                     0.30%    
Additional stock-based compensation expense                     $ 41,000    
Executive Officer | Employment Agreements | Minimum                          
Contingencies                          
Term of base salary for computation of severance payments                     6 months    
Term for payment of health benefits                     6 months    
Executive Officer | Employment Agreements | Maximum                          
Contingencies                          
Term of base salary for computation of severance payments                     12 months    
Term for payment of health benefits                     12 months    
Research Agreement                          
Research Agreement                          
Number of agreements | agreement       2                  
Payment for research and development expense                     $ 1,400,000    
Research Agreement | Rev.1                          
Contingencies                          
Initial deposit       $ 350,000                  
Research Agreement                          
Estimated total cost       $ 3,383,000                  
Initial deposit used to offset monthly invoice (as a percent)       10.00%                  
Research Agreement | Merlin                          
Research Agreement                          
Estimated total cost       $ 1,525,000                  
Corporate Headquarters                          
Contingencies                          
Term of lease agreement for office space                   38 months      
Monthly Base Rent                   $ 8,000      
Annual increases in base rent (as a percent)                   3.00%      
Tenant improvement allowance received                   $ 60,000      
Office and Laboratory Space in Seattle, Washington                          
Contingencies                          
Term of lease agreement for office space                 6 months        
Number of lab benches | item           10              
Monthly Base Rent           $ 12,450 $ 9,925   $ 7,375        
Lab Space in San Diego, California                          
Contingencies                          
Term of lease agreement for office space               12 months          
Area of rentable premises under Lease Agreement | ft²               1,393          
Monthly Base Rent   $ 3,000           $ 2,300          
Corporate headquarters and research and development laboratory                          
Contingencies                          
Term of lease agreement for office space         120 months                
Area of rentable premises under Lease Agreement | ft²         33,928                
Period by which the lease term can be extended         5 years                
Period after the Commencement Date in which the entity has the option to terminate the lease         84 months                
Monthly base rent under Lease Agreement (per rentable square feet) | $ / item         2.65                
Annual increases in base rent (as a percent)         3.00%                
Period for Rent Commencement Date         12 months                
Initial deposit         $ 900,000                
Tenant improvement fund         6,107,040                
Maximum allowance for tenant improvement         $ 508,920                
Corporate headquarters and research and development laboratory | Minimum                          
Contingencies                          
Notice period for terminating the lease agreement         12 months                
Corporate headquarters and research and development laboratory | Maximum                          
Contingencies                          
Notice period prior to expiration of the term for extending the Lease Agreement         12 months                
Vivarium space                          
Contingencies                          
Term of lease agreement for office space     12 months                    
Monthly Base Rent     $ 5,000