Income Taxes (Deferred Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Net deferred tax assets (liabilities) - current	$ 231	$ 83
Net deferred tax assets (liabilities) - non-current	3,634	2,145
Net deferred tax assets (liabilities)	(206)	(553)
U.S. Federal And State [Member]
Valuation allowance	(167)	(177)
Net deferred tax assets (liabilities) - current	(65)	(97)
Deferred tax assets - non-current	5,330	4,929
Valuation allowance - noncurrent	(5,265)	(4,832)
Net deferred tax assets (liabilities) - non-current	65	97
Net deferred tax assets (liabilities)	0	0
U.S. Federal And State [Member] | Accrued Liabilities And Other [Member]
Deferred tax assets - current	169	181
Deferred tax assets - non-current	675	371
U.S. Federal And State [Member] | Prepaid Expenses [Member]
Deferred tax (liabilities) - current	(67)	(101)
U.S. Federal And State [Member] | Amortization Of Goodwill For Tax [Member]
Deferred tax assets - non-current	473	526
U.S. Federal And State [Member] | Amortization Of Startup Costs [Member]
Deferred tax assets - non-current	317	359
U.S. Federal And State [Member] | Property And Equipment [Member]
Deferred tax assets - non-current	971	1,089
U.S. Federal And State [Member] | NOL Carryforward [Member]
Deferred tax assets - non-current	2,894	2,584
Foreign [Member]
Net deferred tax assets (liabilities) - current	133	79
Deferred tax (liabilities) - non-current	(1,208)	0
Valuation allowance - noncurrent	(1,400)	(1,745)
Net deferred tax assets (liabilities) - non-current	(339)	(632)
Net deferred tax assets (liabilities)	(206)	(553)
Foreign [Member] | Accrued Liabilities And Other [Member]
Deferred tax assets - non-current	453	322
Foreign [Member] | Property And Equipment [Member]
Deferred tax assets - non-current	1,771	621
Deferred tax (liabilities) - non-current	(2,477)	(2,682)
Foreign [Member] | NOL Carryforward [Member]
Deferred tax assets - current	0	0
Deferred tax assets - non-current	2,483	2,504
Foreign [Member] | Other [Member]
Deferred tax assets - current	229	79
Deferred tax (liabilities) - current	(96)	0
Deferred tax (liabilities) - non-current	(223)	0
Foreign [Member] | Tax Credits [Member]
Deferred tax assets - non-current	$ 262	$ 348