Summary of Significant Accounting Policies - Segments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) segment	Mar. 31, 2024 USD ($)
Segments
Number of reportable segment | segment	1
Revenue	$ 18,520	$ 16,603
Cost of revenue (excluding amortization of intangible assets)	5,913	5,172
Amortization of intangible assets	95	95
Gross profit	12,512	11,336
Sales and marketing:
Total sales and marketing	16,608	17,520
General and Administrative:
Total general and administrative	3,836	3,829
Research and Development:
Total research and development	$ 2,540	2,393
Gain on sale of product line		$ 7,580
Segment Reporting, Other Segment Item, Composition, Description	Other segment items include other operating income and other expenses as disclosed in the consolidated statements of operations and comprehensive loss; interest expense, other income and income tax expense.	Other segment items include other operating income and other expenses as disclosed in the consolidated statements of operations and comprehensive loss; interest expense, other income and income tax expense.
Net loss	$ (11,264)	$ (5,661)
Single reportable segment
Segments
Revenue	18,520	16,603
Cost of revenue (excluding amortization of intangible assets)	5,913	5,172
Amortization of intangible assets	95	95
Gross profit	12,512	11,336
Sales and marketing:
Sales and sales management	11,614	11,567
International	1,357	1,405
Other sales and marketing	3,637	4,548
Total sales and marketing	16,608	17,520
General and Administrative:
Finance and Legal	1,951	2,021
Other General and administrative	1,885	1,808
Total general and administrative	3,836	3,829
Research and Development:
Clinical	939	1,139
Regulatory and quality	440	367
Other research and development	1,161	887
Total research and development	2,540	2,393
Gain on sale of product line		7,580
Other segment items	(792)	(835)
Net loss	$ (11,264)	$ (5,661)