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

Post balance sheet events (Details)

v3.21.2
Post balance sheet events (Details) - Arqit Limited
12 Months Ended
Sep. 30, 2021
$ / shares
shares
Disclosure of non-adjusting events after reporting period [line items]  
Period for earnout consideration 3 years
Minimum share price for earnout consideration | $ / shares $ 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 | shares 10,000,000
Earnout Condition  
Disclosure of non-adjusting events after reporting period [line items]  
Period for earnout consideration 3 years
Minimum share price for earnout consideration | $ / shares $ 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 | shares 10,000,000