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Consolidated Financial Statements Details - Schedule of Other (Expense) Income, Net (Detail) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
Other Income And Expenses [Abstract] |  |
Interest income, net | $ 2 | $ 77
Change in fair value of warrant liability |  | 2
Other | (11) | 52
Other (expense) income, net | $ (9) | $ 131

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