Segment Reporting (Schedule of Revenue by Reporting Segments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 69,680	$ 62,884
Disposable products
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	65,481	59,008
U.S. Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	58,413	52,982
U.S. Medical | Disposable products
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	55,878	50,475
U.S. Medical | Laser, service, and other
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	2,535	2,507
International Medical
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	11,267	9,902
International Medical | Disposable products
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	9,603	8,533
International Medical | Laser, service, and other
Segment Reporting, Revenue Reconciling Item [Line Items]
Revenue	$ 1,664	$ 1,369