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Goodwill and Intangible Assets, Net (Tables) | 6 Months Ended
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Jun. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract] |
Changes in the Carrying Amount of Goodwill | Changes in the carrying amount of goodwill were as follows:
(In thousands) |
Balance at December 31, 2019 | $ | 48,447 |
Foreign exchange effects | 4 |
Balance at June 30, 2020 | $ | 48,451 |
Components of Intangible Assets, Net | The components of intangible assets, net were as follows:
| June 30, 2020 |  | December 31, 2019
(In thousands) | Gross (1) |  | Accumulated Amortization (1) |  | Net |  | Gross (1) |  | Accumulated Amortization (1) |  | Net
Distribution rights | $ | 322 |  |  | $ | (224 | ) |  | $ | 98 |  |  | $ | 322 |  |  | $ | (210 | ) |  | $ | 112 |
Patents | 19,250 |  |  | (7,026 | ) |  | 12,224 |  |  | 16,587 |  |  | (6,491 | ) |  | 10,096 |
Trademarks and trade names | 2,785 |  |  | (2,358 | ) |  | 427 |  |  | 2,785 |  |  | (2,205 | ) |  | 580 |
Developed and core technology | 12,480 |  |  | (11,014 | ) |  | 1,466 |  |  | 12,480 |  |  | (10,016 | ) |  | 2,464 |
Capitalized software development costs | 33 |  |  | — |  |  | 33 |  |  | — |  |  | — |  |  | — |
Customer relationships | 32,534 |  |  | (27,595 | ) |  | 4,939 |  |  | 32,534 |  |  | (25,956 | ) |  | 6,578 |
Total intangible assets, net | $ | 67,404 |  |  | $ | (48,217 | ) |  | $ | 19,187 |  |  | $ | 64,708 |  |  | $ | (44,878 | ) |  | $ | 19,830 |
(1) | This table excludes the gross value of fully amortized intangible assets totaling $7.6 million and $7.4 million at June 30, 2020 and December 31, 2019, respectively.
Estimated Future Amortization Expense Related to Intangible Assets | Estimated future annual amortization expense related to our intangible assets at June 30, 2020, was as follows:
(In thousands) |
2020 (remaining 6 months) | $ | 2,913 |
2021 | 3,445 |
2022 | 3,334 |
2023 | 3,172 |
2024 | 2,592 |
Thereafter | 3,731 |
Total | $ | 19,187 |

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