Schedule of revenues by geographic area (Details) - USD ($)	3 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 1,456,481	$ 196,000
HONG KONG
Revenues from External Customers and Long-Lived Assets [Line Items]
Total revenue	$ 1,456,481	$ 196,000

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details