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Financial Statement Details - Inventories, Net (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Finished goods | $ 24,881 | $ 27,009
Raw materials and components | 2,663 | 6,943
Total inventories | $ 27,544 | $ 33,952

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