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7. SHAREHOLDERS EQUITY (Details - Option activity) - $ / shares
9 Months Ended
May 31, 2020
May 31, 2019
Weighted-Average Exercise Price Per Share    
Granted $ 33.83 $ 22.78
Stock Options [Member]    
Number of Options    
Option outstanding, beginning balance 1,163,259  
Granted 180,000  
Exercised (78,807)  
Canceled/Forfeited (32,961)  
Expired 0  
Awards Outstanding, ending balance 1,231,491  
Vested and Exercisable, end of period 625,966  
Weighted-Average Exercise Price Per Share    
Outstanding $ 12.63  
Granted 33.83  
Exercised 8.46  
Canceled/Forfeited 14.26  
Expired  
Outstanding 15.95  
Vested and Exercisable, end of period $ 10.05  
Weighted-Average Remaining Contractual Life    
Weighted average remaining contractual life 6 years 10 months 25 days  
Vested and Exercisable 5 years 9 months 11 days