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Leases - Components of lease costs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating Lease:
Total lease costs	$ 195	$ 194	$ 584	$ 580
Total lease costs, net of sublease interest income	193	175	564	512
Selling, general, and administrative
Finance Lease:
Interest on lease liabilities	2	5	10	24
Operating Lease:
Operating lease cost	170	186	538	547
Short-term Lease, Cost	23	3	36	9
Revenue
Operating Lease:
Less sublease interest income	$ (2)	$ (19)	$ (20)	$ (68)

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

No definition available.

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- Definition

Amount of interest expense on finance lease liability.

+ References

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- Definition

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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Amount of sublease income excluding finance and operating lease expense.

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