SEGMENT AND GEOGRAPHIC AREA INFORMATION - Net revenues by geographic location of customers (Details) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023
Net revenues by geographic location of customers
Total	$ 304,393	$ 472,789	$ 1,937,506	$ 1,625,863	$ 3,431,420	$ 13,367,443
Americas
Net revenues by geographic location of customers
Total					2,269,826	12,222,650
Europe
Net revenues by geographic location of customers
Total					172,368	258,355
Asia and other
Net revenues by geographic location of customers
Total					$ 989,226	$ 886,438

Amount, including 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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