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Calculation of Basic and Diluted Net Income (Loss) Per Common Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Earnings Per Share Calculation Basic And Diluted [Line Items] | |||||||||||
| Loss from continuing operations | $ (10,372) | $ (97,998) | $ (21,665) | $ (4,005) | $ 6,011 | $ (14,159) | $ 5,414 | $ (3,863) | $ (134,040) | $ (6,597) | $ (108) |
| Income (loss) from discontinued operations | (98,251) | 9,124 | (22,898) | ||||||||
| Net (loss) income attributable to common stockholders | $ (13,072) | $ (193,738) | $ (12,849) | $ (12,632) | $ 4,992 | $ (9,345) | $ 10,743 | $ (3,863) | $ (232,291) | $ 2,527 | $ (23,006) |
| Weighted average shares-basic | 24,492 | 14,994 | 11,457 | ||||||||
| Common stock equivalents | |||||||||||
| Weighted average shares-diluted | 24,492 | 14,994 | 11,457 | ||||||||
| Loss per common share from continuing operations-basic and diluted | $ (0.42) | $ (3.94) | $ (0.89) | $ (0.17) | $ (5.47) | $ (0.44) | $ (0.01) | ||||
| Income (loss) per common share from discontinued operations-basic and diluted | $ (4.01) | $ 0.61 | $ (2.00) | ||||||||
| Total income (loss) per common share-basic and diluted | $ (0.53) | $ (7.80) | $ (0.53) | $ (0.53) | $ (9.48) | $ 0.17 | $ (2.01) | ||||
| Antidilutive stock-based awards and warrants excluded | 272 | 1,166 | 3,596 | ||||||||