Revenue By Market (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net	$ 27,367		$ 26,893	$ 72,472	$ 85,800
Cost of goods sold	$ 20,169		$ 20,120	$ 54,096	$ 62,253
Other Medical Market Error Correction [Member] | Revision of Prior Period, Error Correction, Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue, net		$ (1,200)
Cost of goods sold		$ (800)