Balance Sheet Components - Summary of Accrued Expenses and Other Current 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, current	[1]	$ 17,961	$ 18,127
Commissions and bonuses		1,195	3,883
Vacation and payroll benefits		3,908	6,894
Accrued professional services		260	652
Accrued interest		846	802
Lease liabilities, current		1,468	0
Insurance financing		3,165	489
Contract liabilities		89	301
Other	[2]	2,048	3,009
Total		$ 30,940	$ 34,157

[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.