Other Assets, Net (Schedule Of Other Assets, Net) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Other Assets [Line Items]
Other assets, net	$ 6,196	$ 3,427
Fitting Software [Member]
Other Assets [Line Items]
Other assets, net	3,679
NXP Tech [Member]
Other Assets [Line Items]
Other assets, net	1,964	2,259
Other Assets [Member]
Other Assets [Line Items]
Other assets, net	$ 553	$ 1,168