Segment Information (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) segment	Sep. 30, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			2
Revenues	$ 72,207,000	$ 65,131,000	$ 219,442,000	$ 185,331,000
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues			0
Operating Segments [Member] | Medical Devices [Member]
Segment Reporting Information [Line Items]
Revenues	$ 53,107,000	$ 45,109,000	$ 162,528,000	$ 128,797,000