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Leases - Components of lease costs (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Operating Lease:
Total lease costs	$ 174	$ 183	$ 346	$ 375
Total lease costs, net of sublease interest income	173	182	344	374
Interest expense
Finance Lease:
Interest on lease liabilities	1	1	1	2
Selling, general and administrative
Operating Lease:
Operating lease cost	162	163	324	342
Short-term lease cost	11	19	21	31
Revenue.
Operating Lease:
Less sublease interest income	$ (1)	$ (1)	$ (2)	$ (1)

X

- References

No definition available.

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- Definition

Amount of lease cost recognized by lessee for lease contract before netting of sublease income.

+ References

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- Definition

Amount of interest expense on finance lease liability.

+ References

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Amount of lease cost recognized by lessee for lease contract.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Amount of sublease income excluding finance and operating lease expense.

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