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Income Taxes (Details) (USD $)	3 Months Ended
Income Taxes (Details) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Income Taxes [Abstract]
Income tax expense (benefit)	$ 563,000	$ (670,000)
Income tax rate, percentage	57.30%	29.80%
Unrecognized tax benefits	430,000		430,000
Unrecognized tax benefits, if recognized, that would affect the effective income tax rates of future periods	$ 430,000

- 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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