Summary of Significant Accounting Policies - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting Information [Line Items]
Revenue	$ 46,276			$ 32,934			$ 126,904	$ 90,831
Less :
Cost of revenue	10,861			7,997			30,770	22,632
Selling, general and administrative expenses:
Loss from operations	(15,099)			(14,929)			(46,316)	(45,164)
Provision for income taxes	(30)			0			(89)	(48)
Net loss	(50,855)	$ (9,196)	$ (32,345)	(19,140)	$ (23,379)	$ (20,932)	(92,396)	(63,451)
Non-Invasive CAD Detection Solutions
Segment Reporting Information [Line Items]
Revenue	46,276			32,934			126,904	90,831
Less :
Cost of revenue	10,861			7,997			30,770	22,632
Research and development expenses:
Research and development	10,260			6,986			27,582	19,107
Regulatory and clinical	7,037			4,877			18,671	12,131
Selling, general and administrative expenses:
Sales	18,869			16,981			54,307	49,943
Marketing	4,650			3,564			13,812	9,416
General and administrative	9,698			7,458			28,078	22,766
Loss from operations	(15,099)			(14,929)			(46,316)	(45,164)
Other income (expense), net	(35,726)			(4,211)			(45,991)	(18,239)
Provision for income taxes	(30)			0			(89)	(48)
Net loss	$ (50,855)			$ (19,140)			$ (92,396)	$ (63,451)