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Accounts payable and Other noncurrent liabilities - (Details) - Vendor Agreement - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Accounts payable and other noncurrent liabilities
Imputed interest rate	8.40%		8.40%
Interest expense	$ 75	$ 35	$ 150	$ 88

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- Definition

Reflects the effective interest rate as of the balance sheet date on interest-bearing trade payables.

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Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense.

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