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Leases - Future lease payments and sublease income (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Oct. 01, 2019
--- | --- | ---
Operating Lease costs |  |
2021 | $ 749 |
2022 | 613 |
2023 | 439 |
2024 | 240 |
2025 | 182 |
Total | 2,223 |
Less imputed interest | (154) |
Lease Liabilities | 2,069 | $ 2,529
Finance lease costs |  |
2021 | 285 |
2022 | 51 |
2023 | 5 |
Total | 341 |
Less imputed interest | (15) |
Total | 326 | $ 658
Sublease Payments received |  |
2021 | 356 |
2022 | 67 |
2023 | 12 |
2024 | 3 |
Total | 438 |
Less imputed interest | (21) |
Total | $ 417 |

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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=77888426&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=77888419&loc=SL77918627-209977 + Details
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