Summary of Significant Accounting Policies - Segments (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) segment	Jun. 30, 2024 USD ($)
Segments
Number of reportable segment | segment			1
Revenue	$ 20,197	$ 16,091	$ 38,717	$ 32,694
Cost of revenue (excluding amortization of intangible assets)	5,997	4,923	11,910	10,095
Amortization of intangible assets	95	95	190	190
Gross profit	14,105	11,073	26,617	22,409
Sales and marketing:
Total sales and marketing	16,857	16,699	33,465	34,219
General and Administrative:
Total general and administrative	4,126	3,621	7,962	7,450
Research and Development:
Total research and development	2,203	2,323	4,743	4,716
Gain on sale of product line				7,580
Net loss	$ (9,923)	$ (12,600)	(21,187)	(18,261)
Single reportable segment
Segments
Revenue			38,717	32,694
Cost of revenue (excluding amortization of intangible assets)			11,910	10,095
Amortization of intangible assets			190	190
Gross profit			26,617	22,409
Sales and marketing:
Sales and sales management			22,830	22,421
International			2,808	2,426
Other sales and marketing			7,827	9,372
Total sales and marketing			33,465	34,219
General and Administrative:
Finance and Legal			3,919	3,862
Other General and administrative			4,043	3,588
Total general and administrative			7,962	7,450
Research and Development:
Clinical			1,780	2,136
Regulatory and quality			867	761
Other research and development			2,096	1,819
Total research and development			4,743	4,716
Gain on sale of product line				7,580
Other segment items			(1,634)	(1,865)
Net loss			$ (21,187)	$ (18,261)