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Intangible Assets | 12 Months Ended
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Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | 4. Intangible Assets Intangible assets consisted of the following (in thousands):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |
Trademarks |  | $ | 50 |  |  | $ | - |
Intangible assets held for sale |  |  | - |  |  |  | 9,587 |
|  |  | 50 |  |  |  | 9,587 |
Less: accumulated amortization |  |  | (4 | ) |  |  | (6,936 | )
|  | $ | 46 |  |  | $ | 2,651 |
Amortization expense for 2018 was approximately $0.4 million, with $0.1 from continued operations and $0.3 million from discontinued operations. Amortization expense for 2017 was approximately $0.5 million, with the entire amount from discontinued operations.

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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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