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Intangible Assets | 6 Months Ended
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Mar. 31, 2023
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets | 5. Intangible Assets Information about our intangible assets as of March 31, 2023 and September 30, 2022, is as follows (in thousands):
|  | March 31, |  |  | September 30, |
|  | 2023 |  |  | 2022 |
Customer relationship |  |  | — |  |  | $ | 43,800 |
Accumulated amortization |  |  | — |  |  |  | (38,029 | )
Impairment |  |  | — |  |  |  | (1,929 | )
Net carrying value |  | $ | — |  |  | $ | 3,842 |
Total amortization expense recognized was $0 and $0.3 million for the three months ended March 31, 2023 and March 31, 2022, respectively, and $0.1 million and $0.5 million for the six months ended March 31, 2023 and March 31, 2022, respectively. The Company recognized an impairment loss of $3.7 million on the customer relationship related to the American CPA during the three months ended December 31, 2022, which was recorded in asset impairment on our condensed consolidated statements of operations and comprehensive loss. Accordingly, we expect to record amortization expense of zero for the remainder of 2023 and thereafter.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -URI https://asc.fasb.org/subtopic&trid=2144471 + Details
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