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Goodwill and Intangible Assets - Intangible Assets by Major Class Subject to Amortization (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Intangible assets: |  |
Original Cost | $ 17,334 | $ 17,334
Accumulated Amortization | 15,405 | 13,906
Impairment | 0 | 0
Currency Translation | (39) | (108)
Net Book Value | $ 1,890 | $ 3,320
Trade name |  |
Intangible assets: |  |
Weighted average life | 8 years | 8 years
Original Cost | $ 1,876 | $ 1,876
Accumulated Amortization | 1,729 | 1,503
Impairment | 0 | 0
Currency Translation | (12) | (13)
Net Book Value | $ 135 | $ 360
Technology asset |  |
Intangible assets: |  |
Weighted average life | 5 years | 5 years
Original Cost | $ 1,869 | $ 1,869
Accumulated Amortization | 1,843 | 1,544
Impairment | 0 | 0
Currency Translation | (24) | (28)
Net Book Value | $ 2 | $ 297
Customer relationships |  |
Intangible assets: |  |
Weighted average life | 10 years | 10 years
Original Cost | $ 13,589 | $ 13,589
Accumulated Amortization | 11,833 | 10,859
Impairment | 0 | 0
Currency Translation | (3) | (67)
Net Book Value | $ 1,753 | $ 2,663

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments and purchase accounting adjustments. + References No definition available. + Details
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