Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION, OPTIONS AND WARRANTS - Stock warrants (Details)

v3.21.4
STOCK-BASED COMPENSATION, OPTIONS AND WARRANTS - Stock warrants (Details) - $ / shares
12 Months Ended
Sep. 01, 2017
Sep. 30, 2021
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants expiration term   4 years 8 months 12 days  
Warrants exercise price   $ 2.87 $ 5
Placement agents      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Warrants issued as percentage of shares issued 7.00%    
Number of units issued 74,784    
Warrants expiration term 5 years    
Warrants term not exercisable from the closing of the IPO 6 months    
Warrants exercise price $ 5    
Number of shares issued upon exercise of warrants   38,304