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Income Taxes - Schedule of Domestic and Foreign Income Tax Rates to Earnings Before Income Taxes (Details) (Parenthetical)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
US Federal income tax expense (benefit), rate	34.00%	34.00%
United Kingdom income tax expense (benefit), rate	20.00%	20.00%

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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