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Intangible Assets | 12 Months Ended
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Sep. 30, 2019
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 approximately $680,191. 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 $7,113,443. Amortization expense for the years ended September 30, 2019, 2018 and 2017 was $1,700,430, $1,700,429 and $1,700,429, respectively. Amortization expense is expected to be $1,700,429 in 2020, $1,700,429 in 2021, $1,700,429 in 2022, $1,700,429 in 2023, $1,700,429 in 2024, and $8,561,435 thereafter. The following table provides details on the Company’s intangible asset balances:
|  | Intangible assets subject to amortization |  |
Balance at September 30, 2018 |  | $ |  | 18,764,010 |  |
Impairment |  |  |  | - |  |
Amortization |  |  |  | (1,700,430 | ) |
Balance at September 30, 2019 |  | $ |  | 17,063,580 |  |

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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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