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Intangibles | 12 Months Ended
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Dec. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangibles | Intangibles At December 31, 2019 and 2018, the Company had intangible assets, which relate to developed technology and a trade name. The carrying amount net of accumulated amortization at December 31, 2019 and 2018 was $1.3 million and $1.4 million, respectively. Amortization expense recognized in each of the years ending December 31, 2019, 2018, and 2017 was $125,000. Estimated amortization expense for the years 2020-2024 is $125,000 per year. The Company has an intangible asset with a gross carrying value of $654,000 at December 31, 2019 related to the trade name of SCS which was acquired in our acquisition of Screw Compression Systems in January 2005. This asset is not being amortized as it has been deemed to have an indefinite life. The following table represents the identified intangible assets by major asset class (in thousands):
|  |  |  | December 31, 2019 |  |  |  |  |  | December 31, 2018 |  |  |  |
|  | Useful Life (years) |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Book Value |  |  | Gross Carrying Value |  |  | Accumulated Amortization |  |  | Net Book Value |
Developed Technology |  | 20 |  | $ | 2,505 |  |  | $ | 1,883 |  |  | $ | 622 |  |  | $ | 2,505 |  |  | $ | 1,758 |  |  | $ | 747 |
Trade Name |  | Indefinite |  | 654 |  |  | — |  |  | 654 |  |  | 654 |  |  | — |  |  | 654 |
Total |  |  |  | $ | 3,159 |  |  | $ | 1,883 |  |  | $ | 1,276 |  |  | $ | 3,159 |  |  | $ | 1,758 |  |  | $ | 1,401 |
Our policy is to review intangibles that are being amortized for impairment when indicators of impairment are present. In addition, it is our policy to review indefinite-lived intangible assets for impairment annually or when indicators of impairment are present. We review intangibles through an assessment of the estimated future cash flows related to such assets. In the event that assets are found to be carried at amounts in excess of estimated undiscounted future cash flows, then the assets will be adjusted for impairment to a level commensurate with a discounted cash flow analysis of the underlying assets. Based upon our analysis, we experienced no impairment of intangible assets (excluding goodwill) during the years ended December 31, 2019 or 2018. In addition, in conjunction with our quantitative assessment of goodwill, we used the services of an independent valuation specialist to assist us in determining the fair value of our trade name during the third quarter of 2019. In this impairment analysis, the estimated fair value of our trade name was determined utilizing an income-based approach that required significant judgment, including those about an appropriate royalty rate and discount rate. This analysis indicated no impairment of our trade name.

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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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