Other current assets (Details 1) - USD ($) |
6 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Sep. 30, 2025 |
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| Other current assets | ||
| Balance as of beginning of period | $ 685,345 | $ 0 |
| Additions | 67,260 | 676,460 |
| Translation adjustments | 23,011 | 455 |
| Balance as of end of period | $ 775,616 | $ 685,345 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in allowance for credit loss on financing receivable. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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| X | ||||||||||
- Definition Amount of increase in accumulated credit loss recognized in earnings for other-than-temporary impairment (OTTI) of debt security held for which previous OTTI was recognized in other comprehensive income (OCI), investor does not intend to sell debt security, and it is not more likely than not that investor will be required to sell debt security before recovery of its amortized cost basis. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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