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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 |
7. | Goodwill and Intangible Assets
There have been no changes in the carrying amount of goodwill since its recognition in 2015. Intangible assets subject to amortization as of December 31, 2021 and 2020 consisted of the following (in thousands):
|  | December 31, 2021 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Acquired developed technology |  | $ | 20,000 |  |  | $ | (11,638 | ) |  | $ | 8,362 |
Purchased intellectual property |  |  | 325 |  |  |  | (161 | ) |  |  | 164 |
Balance at December 31, 2021 |  | $ | 20,325 |  |  | $ | (11,799 | ) |  | $ | 8,526 |
|  | December 31, 2020 |
|  | Gross Carrying Amount |  |  | Accumulated Amortization |  |  | Net Carrying Amount |
Acquired developed technology |  | $ | 20,000 |  |  | $ | (9,972 | ) |  | $ | 10,028 |
Purchased intellectual property |  |  | 325 |  |  |  | (128 | ) |  |  | 197 |
Balance at December 31, 2020 |  | $ | 20,325 |  |  | $ | (10,100 | ) |  | $ | 10,225 |
The developed technology was acquired in connection with our acquisition of Sequenta in 2015. The remaining balance of the acquired technology and the purchased intellectual property is expected to be amortized over the next 5.0 years. As of December 31, 2021, expected future amortization expense for intangible assets was as follows (in thousands):
2022 |  | $ | 1,699 |
2023 |  |  | 1,699 |
2024 |  |  | 1,703 |
2025 |  |  | 1,699 |
2026 |  |  | 1,699 |
Thereafter |  |  | 27 |
Total future amortization expense |  | $ | 8,526 |

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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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