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Intangible Assets | 9 Months Ended
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Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets | Intangible Assets Our intangible assets consist of the following:
|  | September 30, 2019 |  | December 31, 2018
|  | (in thousands) |  |
Intellectual property |  | $ | 700 |  |  | $ | 700 |
Less: Accumulated amortization |  | (369) |  |  | (194) |
Total, net |  | $ | 331 |  |  | $ | 506 |
Amortization expense recorded in cost of sales is as follows:
| Three months ended |  |  |  | Nine months ended |  |
| September 30, 2019 |  | September 30, 2018 |  | September 30, 2019 |  | September 30, 2018
| (in thousands) |  |  |  |  |  |
Amortization expense | $ | 58 |  |  | $ | 58 |  |  | $ | 175 |  |  | $ | 136 |

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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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