Revenue Recognition (Timing Of Revenue Recognition) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Revenue, Major Customer [Line Items]
Total Net Revenue	$ 31,768	$ 21,503
Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	12,036	6,965
Products And Services Transferred Over Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	19,732	14,538
Diabetes [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	18,364	13,530
Diabetes [Member] | Products And Services Transferred Over Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	18,364	13,530
Interventional Catheters [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	3,802
Interventional Catheters [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	3,802
Other Medical [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	2,958	2,828
Other Medical [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	1,590	1,820
Other Medical [Member] | Products And Services Transferred Over Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	1,368	1,008
Value Based DTEC [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	937	1,173
Value Based DTEC [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	937	1,173
Value Based ITEC [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	1,301	744
Value Based ITEC [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	1,301	744
Legacy OEM [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	3,421	1,964
Legacy OEM [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	3,421	1,964
Professional Audio Communications [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	985	1,264
Professional Audio Communications [Member] | Products And Services Transferred At Point In Time [Member]
Revenue, Major Customer [Line Items]
Total Net Revenue	$ 985	$ 1,264