Property and Equipment, Net - Summary of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 24,708	$ 25,572
Less: accumulated depreciation	(15,487)	(11,902)
Property and equipment, net	9,221	13,670
Medical diagnostic equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	14,826	16,759
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment	432	433
Office equipment
Property, Plant and Equipment [Line Items]
Total property and equipment	1,556	1,538
Laboratory equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment	5,148	5,302
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment	580	582
Construction in process
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 2,166	$ 958