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Discontinued Operations (Schedule Of The Amounts In Net Loss From Discontinued Operations) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2013
Discontinued Operations [Abstract]    
Revenues $ 5 $ 22
Production costs and taxes (25) (164)
Gain on sale of assets 128 128
Income tax expense (162) (114)
Income (loss) from discontinued operations, net of income tax benefit $ (54) $ (128)