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Goodwill and Intangible Assets | 12 Months Ended
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Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract] |
Goodwill and Intangible Assets | Goodwill and Intangible Assets Goodwill The changes in the carrying amount of goodwill were as follows (in thousands):
December 31, 2020 | $ | — |
Acquisition and purchase accounting adjustment | 34,556 |
December 31, 2021 | $ | 34,556 |
Intangible Assets The following table presents the components of net intangible assets (in thousands):
| December 31, 2021 |  | December 31, 2020
| Weighted Average Useful Life (Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Acquired technology | 4 |  | $ | 7,920 |  |  | $ | (701) |  |  | $ | 7,219 |  |  | $ | — |  |  | $ | — |  |  | $ | — |
Acquired customer-related | 8.7 |  | 360 |  |  | (14) |  |  | 346 |  |  | — |  |  | — |  |  | — |
Acquired trade names | 2 |  | 1,478 |  |  | (21) |  |  | 1,457 |  |  | — |  |  | — |  |  | — |
Patents | 10 |  | 2,740 |  |  | (1,328) |  |  | 1,412 |  |  | 2,538 |  |  | (955) |  |  | 1,583 |
Total | 5.2 |  | $ | 12,498 |  |  | $ | (2,064) |  |  | $ | 10,434 |  |  | $ | 2,538 |  |  | $ | (955) |  |  | $ | 1,583 |
Amortization expense related to intangible assets was $1.1 million, $0.4 million and $0.3 million for the years ended December 31, 2021, 2020 and 2019, respectively. As of December 31, 2021, expected remaining amortization expense of intangible assets by fiscal year is as follows (in thousands):
2022 | $ | 3,074 |
2023 | 2,962 |
2024 | 2,201 |
2025 | 1,473 |
2026 | 163 |
Thereafter | 561 |
Total expected amortization expense | $ | 10,434 |

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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