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v3.26.1

Income Taxes (Details) |  | 6 Months Ended
--- | --- | ---
Mar. 21, 2018 HKD ($) | Mar. 31, 2026 USD ($) | Mar. 31, 2026 HKD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2025 HKD ($)
Income Taxes [Line Items] |  |  |  |  |
Enterprise income tax rate |  | 25.00% | 25.00% |  |
Two-tiered profits tax rate amount |  | 16.50% | 16.50% |  |
Tax reduction percentage |  | 100.00% | 100.00% | 100.00% | 100.00%
Tax adjustments settlements |  | $ 385 | $ 3,000 | $ 192 | $ 1,500
Minimum [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Preferential tax percent |  | 12.50% | 12.50% |  |
Two-tiered profits tax rates amount (in Dollars) | $ 2,000,000 |  |  |  |
Two-tiered profits tax rate amount | 8.25% |  |  |  |
Maximum [Member] |  |  |  |  |
Income Taxes [Line Items] |  |  |  |  |
Preferential tax percent |  | 20.00% | 20.00% |  |
Two-tiered profits tax rates amount (in Dollars) | $ 2,000,000 |  |  |  |
Two-tiered profits tax rate amount | 16.50% |  |  |  |

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