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Restructuring Charges
9 Months Ended
Sep. 30, 2018
Restructuring And Related Activities [Abstract]  
Restructuring Charges

14. Restructuring Charges

As of December 31, 2017, the Company had a remaining restructuring liability of $0.4 million, which is recorded in accrued expenses and other current liabilities in the condensed consolidated balance sheets. The Company has paid out the remainder of this obligation as of September 30, 2018.