Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

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Basis of Presentation (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Summary of computation of basic and diluted net income (loss) per share        
Net income (loss) from continuing operations $ (4,066) $ (914) $ (4,553) $ 9,114
Net income from discontinued operations 1,799   3,670 4
Net income (loss) $ (2,267) $ (914) $ (883) $ 9,118
Shares used to compute basic and diluted income per share 19,749,266 19,650,260 19,728,852 19,623,249
Dilutive potential common shares:        
Restricted stock         14,734
Shares used to compute diluted income (loss) per share 19,749,266 19,650,260 19,728,852 19,637,983
Basic and diluted per share amounts:        
Income (Loss) from continuing operations $ (0.20) $ (0.05) $ (0.23) $ 0.46
Income from discontinued operations $ 0.09 $ 0.00 $ 0.19 $ 0.00
Net income (loss) $ (0.11) $ (0.05) $ 0.04 $ 0.46