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Basis of Presentation - Schedule of Condensed Consolidated Statement of Operations (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2014 | Mar. 31, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Loss from continuing operations | $ 3,182 | $ (1,211) | $ 5,547 | $ 1,971 | $ 16,523
Income tax expense (benefit) from discontinued operations | 5 | (3,852) | 8 | (3,847) | (683)
Loss on discontinued operations | 10 | (10,893) | 14 | (10,883) | (1,456)
Net Loss | 3,192 | (12,104) | 5,561 | (8,912) | 15,067
Basic loss per share - discontinued operations |  | $ (1.14) |  | $ (1.15) | $ (0.15)
Basic loss per share - total | $ 0.34 | $ (1.27) | $ 0.59 | $ (0.94) | $ 1.60
Diluted loss per share - discontinued operations |  | $ (1.14) |  | $ (1.14) | $ (0.15)
Diluted loss per share - total | $ 0.33 | $ (1.27) | $ 0.59 | $ (0.93) | $ 1.59
As Previously Reported [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Loss from continuing operations |  | (1,211) |  |  |
Income tax expense (benefit) from discontinued operations |  | (6,066) |  |  |
Loss on discontinued operations |  | (8,679) |  |  |
Net Loss |  | (9,890) |  |  |
Basic loss per share - discontinued operations |  | $ (0.91) |  |  |
Basic loss per share - total |  | $ (1.04) |  |  |
Diluted loss per share - discontinued operations |  | $ (0.91) |  |  |
Diluted loss per share - total |  | $ (1.04) |  |  |
Adjustment [Member] |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |
Loss from continuing operations |  |  |  |  |
Income tax expense (benefit) from discontinued operations |  | 2,214 |  |  |
Loss on discontinued operations |  | (2,214) |  |  |
Net Loss |  | $ (2,214) |  |  |
Basic loss per share - discontinued operations |  | $ (0.23) |  |  |
Basic loss per share - total |  | $ (0.23) |  |  |
Diluted loss per share - discontinued operations |  | $ (0.23) |  |  |
Diluted loss per share - total |  | $ (0.23) |  |  |

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