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Earnings Per Common Share (Reconciliations Of The Numerators And Denominators Of Basic And Diluted Earnings Per Share) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Earnings Per Common Share [Abstract]    
Net income (loss) from continuing operations $ (96) $ 133
Net income from discontinued operations   $ 1,110
Weighted average shares - basic 10,644,197 10,624,442
Dilution effect of share-based compensation, treasury method
Weighted average shares - dilutive 10,644,197 10,624,442
Continuing operations $ (0.01) $ 0.01
Discontinued operations   $ 0.10