Income Taxes - Income (Loss) From Continuing Operations Before Income Tax (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	$ 6,683	$ 6,843	$ 376
United States
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	5,500	7,917	971
UK | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	(343)	0	0
Denmark | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	1,487	(295)	(161)
Cyprus | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	686	0	0
Norway | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	392	570	727
Brazil | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	(1,167)	(1,375)	(1,210)
Singapore | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	48	25	49
Belgium | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	44	0	0
Japan | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	32	1	0
Netherlands | Foreign Tax Authority
Income (Loss) from Operations before Income Tax Expense (Benefit) [Abstract]
Income (loss) before income taxes	$ 4	$ 0	$ 0