Balance Sheet Components - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Advances to suppliers	$ 1,681	$ 1,834
Prepaid insurance	181	1,543
Other prepaid expenses	2,490	1,383
Total prepaid expenses and other current assets	$ 4,352	$ 4,760