Shareholders' equity - Additional Information (Detail) |
9 Months Ended | |||||
---|---|---|---|---|---|---|
Feb. 09, 2023
USD ($)
|
Mar. 31, 2023
USD ($)
|
Mar. 31, 2023
£ / shares
shares
|
Feb. 09, 2023
£ / shares
shares
|
Feb. 09, 2023
$ / shares
shares
|
Jun. 30, 2022
£ / shares
shares
|
|
Class of Stock [Line Items] | ||||||
Common stock shares authorized | 98,998,131 | 98,998,131 | ||||
Cash dividends | $ | $ 0 | |||||
Common stock shares issued | 93,781,478 | 3,699,910 | 3,699,910 | 74,760,432 | ||
Common stock par or stated value per share | £ / shares | £ 0.0025 | £ 0.90 | £ 0.0025 | |||
Gross Cash Proceeds | $ | $ 20,300,000 | |||||
American Depository Shares | ||||||
Class of Stock [Line Items] | ||||||
Common stock shares issued | 7,511,525 | 7,511,525 | ||||
Common stock par or stated value per share | $ / shares | $ 2.17 |