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Intangible Assets and Goodwill | 9 Months Ended
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Sep. 30, 2024
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets and Goodwill | Intangible Assets and Goodwill Intangible Assets The details of definite lived intangible assets were as follows (in thousands):
| Estimated useful life (in years) |  | As of
|  | September 30, 2024 |  | December 31, 2023
Patents | 3 - 5 |  | $ | — |  |  | $ | 6,345 |
Development programs | 2 - 4 |  | 7,200 |  |  | 7,200 |
Developed technology | 5 |  | 2,959 |  |  | 2,959 |
|  |  | 10,159 |  |  | 16,504 |
Accumulated amortization |  |  | (9,178) |  |  | (14,852) |
|  |  | $ | 981 |  |  | $ | 1,652 |
Amortization related to intangible assets was as follows (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2024 |  | 2023 |  | 2024 |  | 2023 |  |
Amortization expense | $ | 149 |  |  | $ | 633 |  |  | $ | 671 |  |  | $ | 1,896 |  |  |
Estimated amortization expense for future years is as follows (in thousands):
2024 | $ | 149 |
2025 | 484 |
2026 | 348 |
Thereafter | — |
| $ | 981 |
Goodwill The carrying amount of goodwill by segment was as follows (in thousands):
| Laser Products |  | Advanced Development |  | Totals
Balance, December 31, 2023 | $ | 2,151 |  |  | $ | 10,248 |  |  | $ | 12,399 |
Currency exchange rate adjustment | 9 |  |  | — |  |  | 9 |
Balance, September 30, 2024 | $ | 2,160 |  |  | $ | 10,248 |  |  | $ | 12,408 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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