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Commitments and Contingencies - Schedule of lease term and discount rate information (Details)	Sep. 30, 2025	Sep. 30, 2024
Weighted-average remaining lease term (in years)
Operating leases	3 years 10 months 24 days	2 years 4 months 24 days
Finance leases		1 year 1 month 6 days
Weighted-average discount rate
Operating leases	10.50%	9.70%
Finance leases		9.00%

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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