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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 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Discontinued Operations [Abstract]    
Revenues $ 8 $ 17
Production costs and taxes (67) (139)
Income tax benefit (expense) 26 48
Income (loss) from discontinued operations, net of income tax benefit $ (33) $ (74)