Income Taxes Classification in The Balance Sheet of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Abstract]
Deferred income tax assets - current	$ 0	$ 188
Deferred income tax assets - non-current	1,556	1,696
Total deferred income tax assets	1,556	1,884
Deferred income tax liabilities - current	3,612	0
Deferred income tax liabilities - non-current	0	33
Total deferred income tax liabilities	3,612	33
Net deferred tax asset (liability)	$ (2,056)	$ 1,851