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Restructuring Expenses (Tables)
12 Months Ended
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,
202020192018
(In thousands)
Cost of product and service revenues$2,564 $— $186 
Research and development3,716 — — 
Selling, general, and administrative3,681 — 4,160 
Total restructuring expenses$9,961 $— $4,346