General form of registration statement for all companies including face-amount certificate companies

Stock Options (Detail Textuals)

v3.20.1
Stock Options (Detail Textuals) - $ / shares
 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 29, 2020
Aug. 31, 2019
Feb. 29, 2020
Aug. 31, 2019
Aug. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price $ 0.47   $ 0.54 $ 1.00 $ 1.49
Term of expiration     5 years    
Term of options vesting   3 years      
Directors Officers Employees And Consultants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant   1,725,000   1,725,000  
Exercise price         $ 1.53
Officer [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant         200,000
Exercise price         $ 0.83
Stock options expiration date         Dec. 01, 2022
2007 Equity incentive plan | Directors Officers Employees And Consultants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant   7,838,713   7,838,713  
2007 Equity incentive plan | Employees And Directors          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant 412,500 412,500 412,500 412,500  
2019 Equity Incentive Plan | Directors Officers Employees And Consultants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant 7,838,713   7,838,713    
2014 Stock Option Plan | Directors Officers Employees And Consultants          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant 1,997,500 2,107,500 1,997,500 2,107,500  
2010 Stock Option Plan | Officers And Employees          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock options available for grant 1,512,500 1,512,500 1,512,500 1,512,500  
Stock Options 1          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price $ 0.47     $ 1.27  
Stock Options 1 | On grant          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options vested 20,000        
Stock Options 2          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Exercise price $ 0.43     $ 1.06  
Stock Options 2 | Annually thereafter until fully vested          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options vested 20,000