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Income Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Taxes
Income tax benefit (expense)	$ (12,000)	$ 211,000	$ (575,000)	$ 881,000
Income tax rate, percentage	6.80%	29.80%	49.60%	29.80%
Unrecognized tax benefits	430,000		430,000		430,000
Unrecognized tax benefits, if recognized, that would affect the effective income tax rates of future periods	$ 430,000		$ 430,000

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The noncurrent portion of the amount recognized for uncertain tax positions as of the balance sheet date.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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