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Balance Sheet Details - Other (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Accounts Receivable, Net |  |  |
Accounts receivable | $ 39,657 | $ 19,333 |
Allowance for doubtful accounts | (1,240) | (660) | $ (600)
Accounts receivable, net | 38,417 | 18,673 |
Inventory |  |  |
Finished goods | 32,108 | 4,256 |
Work in process | 3,884 | 3,197 |
Raw materials | 6,586 | 5,829 |
Total inventory | 42,578 | 13,282 |
Accrued Liabilities |  |  |
Accrued bonuses | 13,525 | 8,604 |
Accrued legal expenses | 3,957 | 2,466 |
Accrued vacation benefits | 2,784 | 2,446 |
Accrued restructuring costs | 4,096 |  |
Accrued liability for cash-settled options | 6,685 |  |
Other accrued liabilities | 20,872 | 10,448 |
Total accrued liabilities | $ 51,919 | $ 23,964 |

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