Schedule of allowance for credit loss of trade receivables (Details) |
12 Months Ended | ||
|---|---|---|---|
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Sep. 30, 2025
USD ($)
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Sep. 30, 2025
HKD ($)
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Sep. 30, 2024
HKD ($)
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| (Reversal of provision) Provision for the year | $ 306,180 | $ 2,383,000 | $ (3,158,000) |
| Trade Accounts Receivable [Member] | |||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | |||
| Balance at beginning of the year | 6,317,000 | 8,347,208 | |
| Retrospective adjustment upon adoption of ASC 326 | 1,027,792 | ||
| (Reversal of provision) Provision for the year | 2,473,000 | (3,158,000) | |
| Balance at end of the year | $ 8,790,000 | $ 6,317,000 | |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase (decrease) in allowance for credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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