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Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Schedule of income tax provisions from continuing operations
Income before provision for income taxes	$ 2,270	$ 334
Provision for income taxes	$ (17)	$ (553)
Effective tax rate	0.70%	165.60%

- 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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