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Stock Options (Details 1) - USD ($)
12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Number of Options    
Outstanding Ending 2,777,334  
Exercisable Ending 1,716,234  
Weighted Average Exercise Price ($)    
Grants $ 3.54  
Weighted-average exercise price Ending 4.31  
Exercisable Ending $ 4.17  
Weighted Average Remaining Contractual Term    
Outstanding Ending 8 years 3 months 29 days  
Aggregate Intrinsic Value ($)    
Outstanding Ending $ 0  
Stock Option [Member]    
Number of Options    
Outstanding Beginning 1,291,334 2,125,001
Grants 1,506,000 1,263,000
Exercises   (291,667)
Forfeitures and cancellations (20,000) (1,805,000)
Outstanding Ending 2,777,334 1,291,334
Exercisable Ending 1,716,234  
Weighted Average Exercise Price ($)    
Weighted-average exercise price Beginning $ 5.22 $ 2.84
Grants 3.54 5.25
Exercises   3.32
Forfeitures and cancellations 4.87 2.74
Weighted-average exercise price Ending 4.31 $ 5.22
Exercisable Ending $ 4.17  
Weighted Average Remaining Contractual Term    
Outstanding Ending 8 years 3 months 29 days  
Exercisable Ending 9 years  
Aggregate Intrinsic Value ($)    
Outstanding Ending $ 0  
Exercisable Ending $ 0