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Goodwill and Intangible Assets, Net (Tables) | 3 Months Ended
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Mar. 31, 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 | (31 | )
Balance at March 31, 2020 | $ | 48,416 |
Components of Intangible Assets, Net | The components of intangible assets, net were as follows:
| March 31, 2020 |  | December 31, 2019
(In thousands) | Gross (1) |  | Accumulated Amortization (1) |  | Net |  | Gross (1) |  | Accumulated Amortization (1) |  | Net
Distribution rights | $ | 316 |  |  | $ | (213 | ) |  | $ | 103 |  |  | $ | 322 |  |  | $ | (210 | ) |  | $ | 112 |
Patents | 17,625 |  |  | (6,705 | ) |  | 10,920 |  |  | 16,587 |  |  | (6,491 | ) |  | 10,096 |
Trademarks and trade names | 2,786 |  |  | (2,282 | ) |  | 504 |  |  | 2,785 |  |  | (2,205 | ) |  | 580 |
Developed and core technology | 12,480 |  |  | (10,515 | ) |  | 1,965 |  |  | 12,480 |  |  | (10,016 | ) |  | 2,464 |
Capitalized software development costs | 33 |  |  | — |  |  | 33 |  |  | — |  |  | — |  |  | — |
Customer relationships | 32,534 |  |  | (26,775 | ) |  | 5,759 |  |  | 32,534 |  |  | (25,956 | ) |  | 6,578 |
Total intangible assets, net | $ | 65,774 |  |  | $ | (46,490 | ) |  | $ | 19,284 |  |  | $ | 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 March 31, 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 March 31, 2020, was as follows:
(In thousands) |
2020 (remaining 9 months) | $ | 4,333 |
2021 | 2,573 |
2022 | 2,575 |
2023 | 2,396 |
2024 | 1,817 |
Thereafter | 5,590 |
Total | $ | 19,284 |

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