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Intangible Assets | 3 Months Ended
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Dec. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract] |
Intangible Assets | NOTE 5. INTANGIBLE ASSETS Intangible assets subject to amortization include patents and a license agreement capitalized as part of the Novartis RNAi asset acquisition in March 2015. The license agreement associated with the Novartis RNAi asset acquisition is being amortized over the estimated life remaining at the time of acquisition, which was 21 years, and the accumulated amortization of the asset is $1.0 million. The patents associated with the Novartis RNAi asset acquisition are being amortized over the estimated life remaining at the time of acquisition, which was 14 years, and the accumulated amortization of the assets is $10.6 million. Amortization expense for the three months ended December 31, 2021 and 2020 was $0.4 million and $0.4 million, respectively. Amortization expense is expected to be $1.3 million for the remainder of fiscal 2022, $1.7 million in 2023, $1.7 million in 2024, $1.7 million in 2025, $1.7 million in 2026 and $5.2 million thereafter. The following table provides details on the Company’s intangible asset balances:
|  | Intangible Assets Subject to Amortization |
|  | (in thousands) |
Balance at September 30, 2021 |  | $ | 13,663 |
Impairment |  |  | - |
Amortization |  |  | (425 | )
Balance at December 31, 2021 |  | $ | 13,238 |

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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