Annual report pursuant to Section 13 and 15(d)

Earnings Per Share (Schedule Of Reconciliation Of Basic And Diluted Shares Of Common Stock Outstanding Used In Calculation Of Earnings Per Share) (Details)

v3.8.0.1
Earnings Per Share (Schedule Of Reconciliation Of Basic And Diluted Shares Of Common Stock Outstanding Used In Calculation Of Earnings Per Share) (Details) - $ / shares
shares in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]                      
Weighted average number of shares outstanding - basic                 30,022 30,397 32,600
Weighted average number of shares outstanding - diluted                 30,022 30,397 32,600
Loss from continuing operations per share, Basic                 $ (0.02) $ (0.30) $ (2.70)
Loss from continuing operations per share, Diluted                 (0.02) (0.30) (2.70)
Income from discontinued operations per share, Basic                     0.32
Income from discontinued operations per share, Diluted                     0.32
Basic net loss per share $ 0.20 $ (0.05) $ (0.12) $ (0.05) $ (0.05) $ (0.01) $ (0.10) $ (0.13) (0.02) (0.30) (2.38)
Diluted net loss per share $ 0.20 $ (0.05) $ (0.12) $ (0.05) $ (0.05) $ (0.01) $ (0.10) $ (0.13) $ (0.02) $ (0.30) $ (2.38)