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INTANGIBLE ASSETS | 3 Months Ended
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Mar. 31, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Disclosure [Text Block] | INTANGIBLE ASSETS The components of intangible assets consisted of the following as of the dates set forth below (amounts in thousands):
| Weighted Average Useful Lives (in years) March 31, 2019 |  | March 31, 2019 |  | December 31, 2018
Amortizable intangible assets: |  |  |  |  |
Customer relationships | 8.4 |  | $ | 12,801 |  |  | $ | 12,967 |
Patents, trademarks and other | 7.6 |  | 11,149 |  |  | 11,356 |
Total at cost |  |  | 23,950 |  |  | 24,323 |
Less accumulated amortization |  |  | (12,621 | ) |  | (12,676 | )
|  |  | $ | 11,329 |  |  | $ | 11,647 |
Amortization related to intangible assets for the three months ended March 31, 2019 and 2018, totaled $0.5 million and $0.7 million, respectively. Intangible assets are included as a component of other assets in the Condensed Consolidated Balance Sheet. The estimated aggregate amortization expense at March 31, 2019, for each of the years (or other periods) set forth below was as follows (amounts in thousands):
April 1 - December 31, 2019 | $ | 2,139 |
2020 | 2,060 |
2021 | 1,104 |
2022 | 998 |
2023 | 998 |
Thereafter | 4,030 |
| $ | 11,329 |

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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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