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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | 6. Goodwill and Intangible Assets As of December 31, 2023 and 2022, the Company had recorded goodwill of $13.5 million. No goodwill impairment was recognized for the years ended December 31, 2023, 2022 and 2021. Amortization of the intangible assets that have finite useful lives is generally recorded on a straight-line basis over their useful lives. A summary of the Company’s identifiable intangible assets as of December 31, 2023 and December 31, 2022 is as follows (in thousands):
|  | December 31, 2023 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Intangibles, net |
Patent rights |  | $ | 32,630 |  |  | $ | 15,591 |  |  | $ | 17,039 |
Acquired technology |  |  | 21,940 |  |  |  | 7,679 |  |  |  | 14,261 |
Acquired licenses |  |  | 5,711 |  |  |  | 551 |  |  |  | 5,160 |
Assembled workforce |  |  | 500 |  |  |  | 475 |  |  |  | 25 |
Total intangible assets |  | $ | 60,781 |  |  | $ | 24,296 |  |  | $ | 36,485 |
|  | December 31, 2022 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Intangibles, net |
Patent rights |  | $ | 32,630 |  |  | $ | 13,415 |  |  | $ | 19,215 |
Acquired technology |  |  | 21,940 |  |  |  | 6,216 |  |  |  | 15,724 |
Acquired licenses |  |  | 5,711 |  |  |  | 184 |  |  |  | 5,527 |
Assembled workforce |  |  | 500 |  |  |  | 375 |  |  |  | 125 |
Total intangible assets |  | $ | 60,781 |  |  | $ | 20,190 |  |  | $ | 40,591 |
As of December 31, 2023, the weighted average remaining life for identifiable intangible assets was 9.4 years. Aggregate amortization expense was $4.1 million, $3.9 million and $3.7 million for the years ended December 31, 2023, 2022 and 2021, respectively. Patent rights and acquired technology are amortized over a 15-year period. Assembled workforce is amortized over a 5-year period. Estimated future amortization expense related to intangible assets as of December 31, 2023 is as follows (in thousands):
|  | Amount |
2024 |  | $ | 4,031 |
2025 |  |  | 4,006 |
2026 |  |  | 4,006 |
2027 |  |  | 4,006 |
2028 |  |  | 4,006 |
Thereafter |  |  | 16,430 |
Total |  | $ | 36,485 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//350/tableOfContent + Details
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