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Financial Statement Details - Summary of Accrued Expenses (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Royalties | $ 1,415 | $ 1,727
Payroll and related expenses | 2,716 | 2,415
Professional fees | 483 | 514
Accrued interest | 1,543 | 239
Deferred revenue | 2,235 | 2,048
Operating lease liabilities | 1,101 |
Acquisition-related liabilities | 1,000 | 1,000
Other | 7,368 | 5,081
Accrued expenses and other current liabilities, total | $ 17,861 | $ 13,024

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