Segment and Geographic Information (Narrative) (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items]
Number of reportable segments | segment	2
Total sources of revenue	$ 354,004,000	$ 313,789,000	$ 298,836,000
Goodwill	247,337,000	243,631,000	250,000,000
Domestic
Revenues from External Customers and Long-Lived Assets [Line Items]
Total sources of revenue	179,485,000	161,113,000	151,151,000
Long-lived assets	17,500,000	18,000,000
International
Revenues from External Customers and Long-Lived Assets [Line Items]
Total sources of revenue	174,519,000	152,676,000	147,685,000
Long-lived assets	20,900,000	20,700,000
Medical devices
Revenues from External Customers and Long-Lived Assets [Line Items]
Goodwill	247,300,000	243,600,000
Intersegment Eliminations
Revenues from External Customers and Long-Lived Assets [Line Items]
Total sources of revenue	$ 0	$ 0	$ 0
Revenue | Geographic Concentration Risk | Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration percentage	8.00%	9.00%	10.00%
Long-Lived Assets | Geographic Concentration Risk | Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Concentration percentage	97.00%