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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Schedule of Income Tax Provisions from Continuing Operations
Income (loss) from continuing operations before provision for income taxes	$ (2,242)	$ (1,061)	$ (1,908)	$ 878
Provision for income taxes	$ (66)	$ (267)	$ (619)	$ (861)
Effective tax rate	(2.90%)	(25.20%)	32.40%	98.10%

- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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