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Earnings (Loss) Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Weighted average shares:                      
Basic weighted average shares outstanding                 8,589 8,553 8,522
Effect of dilutive securities outstanding                 0 0 15
Diluted weighted average shares outstanding                 8,589 8,553 8,537
Earnings (loss):                      
Continuing operations $ 1,524 [1] $ (1,316) [1] $ (61,140) [1] $ (1,785) [1] $ (5,373) [2] $ (2,154) [2] $ 1,088 [2] $ 2,050 [2] $ (62,717) $ (4,389) $ 9,590
Discontinued operations, net 199 (2) (17) (13) (174) (9) (22) (30) 167 (235) (2,653)
Net income (loss) $ 1,723 $ (1,318) $ (61,157) $ (1,798) $ (5,547) $ (2,163) $ 1,066 $ 2,020 $ (62,550) $ (4,624) $ 6,937
Basic earnings (loss) per share of common stock:                      
Continuing operations $ 0.18 $ (0.15) $ (7.12) $ (0.21) $ (0.63) [3] $ (0.25) [3] $ 0.13 [3] $ 0.24 [3] $ (7.30) $ (0.51) $ 1.13
Discontinued operations $ 0.02 [3] $ 0.00 [3] $ 0.00 [3] $ 0.00 [3] $ (0.02) [3] $ 0.00 [3] $ (0.01) [3] $ 0.00 [3] $ 0.02 $ (0.03) $ (0.32)
Net income (loss) $ 0.20 [3] $ (0.15) [3] $ (7.12) [3] $ (0.21) [3] $ (0.65) [3] $ (0.25) [3] $ 0.12 [3] $ 0.24 [3] $ (7.28) $ (0.54) $ 0.81
Diluted earnings (loss) per share of common stock:                      
Continuing operations $ 0.18 $ (0.15) $ (7.12) $ (0.21) $ (0.63) [3] $ (0.25) [3] $ 0.13 [3] $ 0.24 [3] $ (7.30) $ (0.51) $ 1.12
Discontinued operations $ 0.02 [3] $ 0.00 [3] $ 0.00 [3] $ 0.00 [3] $ (0.02) [3] $ 0.00 [3] $ (0.01) [3] $ (0.01) [3] $ 0.02 $ (0.03) $ (0.31)
Net income (loss) $ 0.20 [3] $ (0.15) [3] $ (7.12) [3] $ (0.21) [3] $ (0.65) [3] $ (0.25) [3] $ 0.12 [3] $ 0.23 [3] $ (7.28) $ (0.54) $ 0.81
Restricted share awards outstanding and future stock option exercises
                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Anti-dilutive securities excluded from computation of earnings per share                 23 55  
[1] Income from operations for the three month ended December 31, 2012 includes a $1.6 million gain from sale of assets. Loss from continuing operations for the three months ended June 30, 2012 includes a $28.3 million charge for goodwill impairment, a $2.1 million gain on sale of assets, $6.8 million of severance expenses and a $33.5 million increase in deferred tax asset valuation allowance.
[2] Loss from continuing operations for the three months ended December 31, 2011 includes an $0.8 million net expense for the estimated cost of settling an employment tax matter and a net $0.8 million asset impairment charge.
[3] The sum of the quarterly earnings per share amounts may not equal the total annual earnings per share due to rounding and the uneven timing of earnings throughout the year compared to the weighted average shares outstanding.