Movement of the allowance for credit losses (Details) - USD ($)	4 Months Ended	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2024
Deposit And Other Receivables [Member]
Cash and Cash Equivalents [Line Items]
Balance at beginning of the year
Current year addition		116
Balance at end of the year		116
Amount Due From Shareholders [Member]
Cash and Cash Equivalents [Line Items]
Balance at beginning of the year
Current year addition		295
Balance at end of the year		$ 295