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Balance Sheet Details - Summary of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020
Balance Sheet Related Disclosures [Abstract]
Cash and cash equivalents	$ 29,983	$ 28,451
Restricted cash	1,016	1,016
Total cash, cash equivalents and restricted cash	30,999	29,467	$ 50,760	$ 69,536
Short-term restricted cash	16	16
Non-current restricted cash	$ 1,000	$ 1,000

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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