Summary of Significant Accounting Policies - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 43,424		$ 31,054		$ 80,629	$ 57,897
Less :
Cost of revenue	10,646		7,215		19,910	14,635
Selling, general and administrative expenses:
Loss from operations	(13,715)		(14,177)		(31,217)	(30,235)
Provision for income taxes	(59)		(120)		(59)	(48)
Net loss	(9,196)	$ (32,345)	(23,379)	$ (20,932)	(41,541)	(44,311)
Non-Invasive CAD Detection Solutions
Segment Reporting Information [Line Items]
Revenue	43,424		31,054		80,629	57,897
Less :
Cost of revenue	10,646		7,215		19,910	14,635
Research and development expenses:
Research and development	8,995		6,223		17,322	12,120
Regulatory and clinical	6,037		3,709		11,633	7,254
Selling, general and administrative expenses:
Sales	18,485		17,406		35,438	32,962
Marketing	4,481		2,952		9,163	5,852
General and administrative	8,495		7,726		18,380	15,309
Loss from operations	(13,715)		(14,177)		(31,217)	(30,235)
Other income (expense), net	4,578		(9,082)		(10,265)	(14,028)
Provision for income taxes	(59)		(120)		(59)	(48)
Net loss	$ (9,196)		$ (23,379)		$ (41,541)	$ (44,311)