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Restructuring Expenses (Tables) | 12 Months Ended
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Dec. 31, 2020
Restructuring and Related Activities [Abstract] |
Summary of Restructuring Expenses | The following table summarizes the total restructuring expenses recognized in the Company’s Consolidated Statements of Operations for the years ended December 31, 2020, 2019, and 2018:
| Year Ended December 31,
| 2020 |  | 2019 |  | 2018
| (In thousands)
Cost of product and service revenues | $ | 2,564 |  |  | $ | — |  |  | $ | 186 |
Research and development | 3,716 |  |  | — |  |  | — |
Selling, general, and administrative | 3,681 |  |  | — |  |  | 4,160 |
Total restructuring expenses | $ | 9,961 |  |  | $ | — |  |  | $ | 4,346 |

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- Definition Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -URI http://asc.fasb.org/extlink&oid=115931487&loc=d3e140904-122747 + Details
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