Balance Sheet Components - Summary of Other Long-term Liabilities (Details) - USD ($) $ in Thousands		Jun. 30, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrual for reimbursement claims and settlements, net of current portion	[1]	$ 192	$ 192
Lease liabilities, net of current portion		680	0
Other	[2]	4,665	5,622
Total		$ 5,537	$ 5,814

[1] All of the Company's revenues related to Laboratory Operations have been discontinued; amounts related to the revenue reserve generated from the Laboratory Operations remain on the balance sheet.

[2] Included in this amount are contracts that the Company will be responsible for that cannot be terminated; as there is no future benefit to the Company, they were expensed in discontinued operations in 2021.