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

Business combination agreement - Additional information (Details)

v3.21.2
Business combination agreement - Additional information (Details) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2019
Sep. 30, 2021
Sep. 30, 2020
Disclosure of detailed information about business combination [line items]        
Profit / (loss) for the year $ 651,973 $ 1,037,565 $ (271,729,101) $ (568,319)
Arqit Limited        
Disclosure of detailed information about business combination [line items]        
Profit / (loss) for the year $ 651,973      
Period for earnout consideration     3 years  
Minimum share price for earnout consideration     $ 12.50  
Threshold trading days for closing price of shares, earnout consideration     20 days  
Threshold consecutive trading days for closing price of shares, earnout consideration     30 days  
Number of earnout shares     10,000,000