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Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	$ 2,004
Operating Loss Expires In 2021 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	975
Operating Loss Expires In 2022 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	878
Operating Loss Expires In 2028 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	2
Operating Loss Expires In 2030 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	25
Operating Loss Expires In 2031 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	45
Operating Loss Expires In 2032 [Member]
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	$ 79

Amount of an unrecognized tax benefit that is directly related to a position taken in a tax year that results in a net operating loss carryforward. This amount is presented as a reduction of the related deferred tax asset in the balance sheet if that deferred tax asset is not used. This amount is presented separately from the deferred tax asset for a net operating loss carryforward if this unrelated tax benefit is associated with a different tax position.

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