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Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock Options Narrative) (Details)

v3.5.0.2
Stockholders' Equity (Stock Options Narrative) (Details) - USD ($)
 3 Months Ended
Sep. 12, 2016
Jun. 23, 2016
May 19, 2016
Jul. 31, 2016
Jul. 31, 2015
Jun. 30, 2016
Nov. 30, 2015
Apr. 29, 2015
Sep. 30, 2014
Jul. 31, 2014
Mar. 13, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Price per share               $ 0.155      
Unrecognized compensation cost       $ 547,000              
Weighted average recognition period       2 years 8 months 12 days              
Share based compensation expense       $ 95,607 $ 72,941            
Equity Incentive Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Equity Incentive Plan, shares authorized           25,300,000 20,300,000   16,300,000 14,300,000 9,300,000
Equity Incentive Plan, shares remaining       2,878,898              
Chief Operating Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period   2,000,000                  
Options granted, exercise price   $ 0.166                  
Vesting period   3 years                  
Weighted average grant-date fair value of stock options granted   $ 100,000                  
Chief Academic Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period   700,000                  
Options granted, exercise price   $ 0.166                  
Vesting period   3 years                  
Weighted average grant-date fair value of stock options granted   $ 35,000                  
Chief Financial Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period   300,000                  
Options granted, exercise price   $ 0.166                  
Vesting period   3 years                  
Weighted average grant-date fair value of stock options granted   $ 15,000                  
Chairman of Audit Committee [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period     50,000                
Option expiration period     5 years                
Options granted, exercise price     $ 0.16                
Vesting period     3 years                
Weighted average grant-date fair value of stock options granted     $ 10,000                
Chairman of Compensation Committee [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period     50,000                
Option expiration period     5 years                
Options granted, exercise price     $ 0.16                
Vesting period     3 years                
Weighted average grant-date fair value of stock options granted     $ 10,000                
Eight Non-Employee Directors [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period     150,000                
Option expiration period     5 years                
Options granted, exercise price     $ 0.16                
Vesting period     3 years                
Weighted average grant-date fair value of stock options granted     $ 7,500                
Extended Options [Member] | Subsequent Event [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock options issued during period 5,000,000                    
Option expiration period 3 years                    
Vesting period 3 years                    
Share based compensation expense $ 150,000