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Leases - Future lease payments and sublease income (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Sep. 30, 2021
--- | --- | ---
Operating Lease costs |  |
2023 | $ 592 |
2024 | 397 |
2025 | 249 |
2026 | 4 |
Total | 1,242 |
Less imputed interest | (69) |
Total | 1,173 | $ 1,390
Finance lease costs |  |
2023 | 5 |
Total | 5 |
Less imputed interest | (1) |
Total | 4 | $ 52
Sublease Payments received |  |
2023 | 17 |
2024 | 3 |
Total | 20 |
Total | $ 20 |

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- Definition Present value of lessee's discounted obligation for lease payments from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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