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 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Summary of computation of basic and diluted net income (loss) per share        
Net income (loss) from continuing operations $ (194) $ (4,178) $ (5,260) $ 5,026
Net income from discontinued operations       3,670 3
Net income (loss): $ (194) $ (4,178) $ (1,590) $ 5,029
Shares used to compute basic and diluted income (loss) per share 19,917,676 19,673,160 19,791,793 19,648,947
Dilutive potential common shares:        
Restricted stock          37,406
Shares used to compute diluted income (loss) per share 19,917,676 19,673,160 19,791,793 19,686,353
Basic and diluted per share amounts:        
Income (loss) from continuing operations (in usd per share) $ (0.01) $ (0.21) $ (0.27) $ 0.26
Income from discontinued operations (in usd per share)       $ 0.19   
Net income (loss) (in usd per share) $ (0.01) $ (0.21) $ (0.08) $ 0.26