Segment Information (Narrative) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($) segment	Jun. 30, 2020 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment			2
Revenues	$ 76,148,000	$ 53,771,000	$ 147,235,000	$ 120,200,000
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Revenues			0
Operating Segments [Member] | Medical Devices [Member]
Segment Reporting Information [Line Items]
Revenues	$ 56,076,000	$ 37,268,000	$ 109,421,000	$ 83,688,000