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Net Loss Per Common Share - Reconciliation of Numerator and Denominator (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
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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, 2011
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Sep. 30, 2011
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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| Numerator: | |||||||||||
| Net loss | $ 28,388 | $ (991) | $ 17,001 | $ (115,533) | $ (5,275) | $ (4,125) | $ (7,923) | $ (8,330) | $ (71,135) | $ (25,653) | $ (18,682) |
| Denominator: | |||||||||||
| Weighted-average number of common shares outstanding | 54,219 | 45,900 | 33,654 | ||||||||
| Net loss per share: | |||||||||||
| Basic | $ 0.50 | $ (0.02) | $ 0.31 | $ (2.30) | $ (0.11) | $ (0.08) | $ (0.16) | $ (0.23) | $ (1.31) | $ (0.56) | $ (0.56) |
| Diluted | $ (0.10) | $ (0.06) | $ (0.04) | $ (2.30) | $ (0.11) | $ (0.08) | $ (0.16) | $ (0.23) | $ (1.31) | $ (0.56) | $ (0.56) |
| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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