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Balance Sheets Components - Summary of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Balance Sheet Related Disclosures [Abstract]
Prepaid expenses	$ 9,315	$ 5,617
Other receivables	2,245	2,786
Other	199	64
Prepaid expenses and other current assets	$ 11,759	$ 8,467

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Miscellaneous receivables.

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Amount of current assets classified as other.

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