Balance Sheet Components - Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Balance Sheet Components [Abstract]
Prepaid expenses	$ 1,526	$ 1,264
Prepaid insurance	1,323	2,726
Other current assets	290	149
Total prepaid expenses and other current assets	$ 3,139	$ 4,139

Amount of current assets classified as other.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

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Period Type:	instant

- Definition

Balance sheet components.

+ References

No definition available.

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