Business combination (Details 1) - USD ($)	6 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Business combination
Pro forma revenues	$ 17,720,359	$ 16,376,697
Pro forma net (loss) income	$ (50,050,693)	$ 6,434,545

Amount, after tax, of pro forma income (loss) of combined entity as if acquisition date of business combination occurred as of beginning of period.

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