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Concentration of risk (Details Narrative) - USD ($)	3 Months Ended
Concentration of risk (Details Narrative) - USD ($)	Dec. 31, 2025	Dec. 31, 2024	Sep. 30, 2025
Concentration Risk [Line Items]
Cash	$ 4,386,033		$ 420,086
Cash uninsured limit	4,122,710		156,849
Concentration risk percentage
Concentration risk percentage
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Three Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	100.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Two Customers [Member]
Concentration Risk [Line Items]
Concentration risk percentage		100.00%
Supplier Concentration Risk [Member] \| Cost of Goods and Service Benchmark [Member] \| Two Suppliers [Member]
Concentration Risk [Line Items]
Concentration risk percentage	100.00%	100.00%
Maximum [Member]
Concentration Risk [Line Items]
Cash FDIC insurance limit	$ 250,000