Income Taxes (Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Net deferred tax (liabilities) - current	$ (153)	$ (157)
Net deferred tax assets - current	309	310
Net deferred tax (liabilities) - non-current	(3,481)	(3,419)
Net deferred tax assets (liabilities) - non-current	4,834	3,476
Net deferred tax assets	1,509	205
U.S. Federal And State [Member]
Valuation allowance	(163)	(179)
Net deferred tax (liabilities) - current	(149)	(152)
Deferred tax assets - non-current	5,976	5,916
Valuation allowance - noncurrent	(5,827)	(5,764)
Net deferred tax assets (liabilities) - non-current	149	152
Net deferred tax assets	0	0
U.S. Federal And State [Member] | Prepaid Expenses [Member]
Deferred tax (liabilities) - current	(153)	(157)
U.S. Federal And State [Member] | Amortization Of Goodwill For Tax [Member]
Deferred tax assets - non-current	368	421
U.S. Federal And State [Member] | Amortization Of Startup Costs [Member]
Deferred tax assets - non-current	232	275
U.S. Federal And State [Member] | Property And Equipment [Member]
Deferred tax assets - non-current	672	1,059
U.S. Federal And State [Member] | NOL Carryforward [Member]
Deferred tax assets - non-current	4,260	3,752
U.S. Federal And State [Member] | Accrued Liabilities And Other [Member]
Deferred tax assets - current	167	184
Deferred tax assets - non-current	444	409
Foreign [Member]
Net deferred tax assets - current	305	300
Valuation allowance - noncurrent	(1,990)	(5,129)
Net deferred tax (liabilities) - non-current		(95)
Net deferred tax assets (liabilities) - non-current	1,204
Net deferred tax assets	1,509	205
Foreign [Member] | Property And Equipment [Member]
Deferred tax assets - non-current	705	1,521
Deferred tax (liabilities) - non-current	(2,722)	(2,204)
Foreign [Member] | NOL Carryforward [Member]
Deferred tax assets - current	0	0
Deferred tax assets - non-current	3,375	4,583
Foreign [Member] | Other [Member]
Deferred tax assets - current	305	300
Deferred tax (liabilities) - current	0	0
Deferred tax (liabilities) - non-current	(396)	(230)
Foreign [Member] | Tax Credits [Member]
Deferred tax assets - non-current	72	199
Foreign [Member] | Accrued Liabilities And Other [Member]
Deferred tax assets - non-current	478	1,329
Foreign [Member] | Contingent Liability [Member]
Deferred tax assets - non-current	719	0
Deferred tax (liabilities) - non-current	0	(985)
Foreign [Member] | Exchange Rate (Loss) [Member]
Deferred tax assets - non-current	1,326	821
Deferred tax (liabilities) - non-current	$ (363)	$ 0