Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Net operating loss carryforwards	$ 10,787	$ 9,542
Total long-term deferred tax asset	10,787	9,542
Valuation allowances	(869)	(787)
Total deferred tax assets	9,918	8,755
Deferred tax liabilities:
Fixed assets	(4,480)	(4,384)
Intangible assets	(20,693)	(17,473)
Other	(716)	(729)
Total long-term liability	(25,889)	(22,586)
Total deferred tax liabilities	(25,889)	(22,586)
Total net deferred tax liability	$ (15,971)	$ (13,831)