Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - Schedule of assumptions used (Details)

v3.20.1
STOCKHOLDERS' EQUITY - Schedule of assumptions used (Details)
6 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term in years   3 years
Expected dividend yield 0.00% 0.00%
Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term in years 5 years 3 months 18 days  
Expected volatility 64.00% 72.00%
Risk-free interest rate 1.40% 2.40%
Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected term in years 5 years 10 months 24 days  
Expected volatility 87.00% 87.00%
Risk-free interest rate 1.70% 3.00%