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Financial Statement Details - Summary of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Royalties $ 1,558 $ 1,544
Payroll and related expenses 2,870 5,315
Warranty obligations 400 480
Market development funds and price protection 34 320
Professional fees 1,789 4,793
Bank overdrafts 117 489
Accrued interest 239 275
Deferred revenue 1,823 1,656
Restructuring 964 837
Acquisition-related liabilities 13,186 7,912
Divestiture-related liabilities 0 463
Other 4,578 3,813
Accrued expenses and other current liabilities, total $ 27,558 $ 27,897