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

Retained earnings (Details)

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Retained earnings (Details) - USD ($)
1 Months Ended 12 Months Ended
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Retained earnings        
Balance at the beginning   $ (272,215,000) $ (486,000) $ 82,000
Profit / (loss) for the year $ 651,973 65,075,000 (271,729,000) (568,000)
Balance at the end $ (272,215,000) $ (207,140,000) $ (272,215,000) $ (486,000)