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Goodwill and Intangible Assets, Net (Tables) | 9 Months Ended
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Sep. 30, 2022
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, 2021 | $ | 48,463 |
Goodwill acquired during the period (1) | 713 |
Foreign exchange effects | (241) |
Balance at September 30, 2022 | $ | 48,935 |
(1) During the nine months ended September 30, 2022, we recognized $0.7 million of goodwill related to the Qterics, Inc. ("Qterics") acquisition. Refer to Note 19 for further information about this acquisition.
Components of Intangible Assets, Net | The components of intangible assets, net were as follows:
| September 30, 2022 |  | December 31, 2021
(In thousands) | Gross (1) |  | Accumulated Amortization (1) |  | Net |  | Gross (1) |  | Accumulated Amortization (1) |  | Net
Capitalized software development costs | $ | 1,538 |  |  | $ | (64) |  |  | $ | 1,474 |  |  | $ | 1,066 |  |  | $ | (27) |  |  | $ | 1,039 |
Customer relationships | 6,340 |  |  | (2,899) |  |  | 3,441 |  |  | 5,000 |  |  | (2,375) |  |  | 2,625 |
Developed and core technology | 4,520 |  |  | (3,602) |  |  | 918 |  |  | 4,080 |  |  | (3,335) |  |  | 745 |
Distribution rights | 280 |  |  | (250) |  |  | 30 |  |  | 325 |  |  | (269) |  |  | 56 |
Patents | 27,993 |  |  | (10,279) |  |  | 17,714 |  |  | 24,518 |  |  | (9,015) |  |  | 15,503 |
Trademarks and trade names | 850 |  |  | (680) |  |  | 170 |  |  | 800 |  |  | (599) |  |  | 201 |
Total intangible assets, net | $ | 41,521 |  |  | $ | (17,774) |  |  | $ | 23,747 |  |  | $ | 35,789 |  |  | $ | (15,620) |  |  | $ | 20,169 |
(1)This table excludes the gross value of fully amortized intangible assets totaling $43.8 million and $43.2 million at September 30, 2022 and December 31, 2021, respectively.
Finite-lived Intangible Assets Amortization Expense | Amortization expense by statement of operations caption was as follows:
(In thousands) | Three Months Ended September 30, |  | Nine Months Ended September 30,
2022 |  | 2021 |  | 2022 |  | 2021
Cost of sales | $ | 13 |  |  | $ | 7 |  |  | $ | 37 |  |  | $ | 15 |
Selling, general and administrative expenses | 1,018 |  |  | 938 |  |  | 2,928 |  |  | 2,622 |
Total amortization expense | $ | 1,031 |  |  | $ | 945 |  |  | $ | 2,965 |  |  | $ | 2,637 |
Estimated Future Amortization Expense Related to Intangible Assets | Estimated future annual amortization expense related to our intangible assets at September 30, 2022, was as follows:
(In thousands) |
2022 (remaining 3 months) | $ | 1,074 |
2023 | 4,701 |
2024 | 4,243 |
2025 | 3,308 |
2026 | 3,089 |
Thereafter | 7,332 |
Total | $ | 23,747 |

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