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Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Estimated Useful Lives of Property, Plant and Equipment | Estimated useful lives are as follows:
Buildings | 25 years
Tooling and equipment | 2-8 years
Computer equipment | 3-5 years
Software | 3-7 years
Furniture and fixtures | 2-5 years
Leasehold and building improvements | Lesser of lease term or useful life (approximately 2-8 years)
Property, plant, and equipment, net ("PP&E") were as follows:
| December 31,
(In thousands) | 2024 |  | 2023
Buildings | $ | 17,273 |  |  | $ | 17,806 |
Computer equipment | 9,159 |  |  | 9,679 |
Furniture and fixtures | 2,501 |  |  | 3,598 |
Leasehold and building improvements | 29,404 |  |  | 33,049 |
Machinery and equipment | 75,637 |  |  | 82,302 |
Software | 25,411 |  |  | 28,074 |
Tooling | 30,314 |  |  | 30,724 |
| 189,699 |  |  | 205,232 |
Accumulated depreciation | (156,804) |  |  | (163,301) |
| 32,895 |  |  | 41,931 |
Construction in progress | 1,312 |  |  | 2,688 |
Total property, plant, and equipment, net | $ | 34,207 |  |  | $ | 44,619 |
Construction in progress was as follows:
| December 31,
(In thousands) | 2024 |  | 2023
Leasehold and building improvements | $ | 102 |  |  | $ | 623 |
Machinery and equipment | 483 |  |  | 738 |
Software | 60 |  |  | 11 |
Tooling | 638 |  |  | 1,197 |
Other | 29 |  |  | 119 |
Total construction in progress | $ | 1,312 |  |  | $ | 2,688 |
Schedule of Finite-Lived Intangible Assets | Estimated useful lives are as follows:
Capitalized software development | 2 years
Customer relationships | 6-10 years
Developed and core technology | 6-14 years
Patents | 10 years
Trademarks and trade names | 6-8 years
The components of intangible assets, net were as follows:
| December 31,
| 2024 |  | 2023
(In thousands) | Gross (1) |  | Accumulated Amortization (1) |  | Net (1) |  | Gross (1) |  | Accumulated Amortization (1) |  | Net (1)
Capitalized software development costs | $ | 2,575 |  |  | $ | (1,150) |  |  | $ | 1,425 |  |  | $ | 2,161 |  |  | $ | (421) |  |  | $ | 1,740 |
Customer relationships | 6,340 |  |  | (4,526) |  |  | 1,814 |  |  | 6,340 |  |  | (3,803) |  |  | 2,537 |
Developed and core technology | 740 |  |  | (398) |  |  | 342 |  |  | 4,220 |  |  | (3,754) |  |  | 466 |
Patents | 34,758 |  |  | (14,339) |  |  | 20,419 |  |  | 33,195 |  |  | (12,686) |  |  | 20,509 |
Trademarks and trade names | 450 |  |  | (412) |  |  | 38 |  |  | 450 |  |  | (353) |  |  | 97 |
Total intangible assets, net | $ | 44,863 |  |  | $ | (20,825) |  |  | $ | 24,038 |  |  | $ | 46,366 |  |  | $ | (21,017) |  |  | $ | 25,349 |
(1)This table excludes the gross value of fully amortized intangible assets totaling $49.3 million and $45.0 million on December 31, 2024 and 2023, respectively.

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