Schedule of change in fair value recognized in the consolidated statements of operations (Details) - Fair Value, Inputs, Level 3 [Member] - HKD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
|||
| Defined Benefit Plan Disclosure [Line Items] | ||||
| Balance at beginning of the year | $ 1,157,520 | $ 1,157,520 | ||
| Change in fair value recognized in the consolidated statements of operations | [1] | 186,409 | ||
| Balance at end of the year | $ 1,343,929 | $ 1,157,520 | ||
| ||||
| 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/2003/role/disclosureRef
|
| X | ||||||||||
- Definition For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Details
|