Balance Sheet Details - Schedule of Accrued Liabilities (Parenthetical) (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Accrued Compensation
Condensed Balance Sheet Statements Captions [Line Items]
Related party amounts	$ 32	$ 286
Accrued Research and Development
Condensed Balance Sheet Statements Captions [Line Items]
Related party amounts	0	14
Other Accrued Liabilities
Condensed Balance Sheet Statements Captions [Line Items]
Related party amounts	$ 0	$ 244

Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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+ Details