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

General information and significant accounting policies - Capitalisation of development costs (Details)

v3.21.2
General information and significant accounting policies - Capitalisation of development costs (Details) - USD ($)
 12 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2018
Disclosure of detailed information about intangible assets [line items]        
Intangible assets other than goodwill $ 18,235,034 $ 8,776,530 $ 4,047,138  
Minimum        
Disclosure of detailed information about intangible assets [line items]        
Written off period 3 years      
Maximum        
Disclosure of detailed information about intangible assets [line items]        
Written off period 5 years      
Development costs        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets other than goodwill $ 18,235,034 8,776,530 4,047,138  
Computer equipment        
Disclosure of detailed information about intangible assets [line items]        
Written off period 3 years      
Cost | Development costs        
Disclosure of detailed information about intangible assets [line items]        
Intangible assets other than goodwill $ 18,235,034 $ 8,776,530 $ 4,047,138 $ 441,856