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Domestic And Foreign Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Change in valuation allowance	$ (264)	$ 649	$ (399)
Net operating loss carryforward	19,888
Amount excluded from operating loss carryforwards	105
Federal [Member]
Net operating loss carryforward	19,993
State [Member]
Net operating loss carryforward	$ 5,823

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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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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