Quarterly report pursuant to Section 13 or 15(d)

Net Loss Per Common Share - Reconciliation of Numerator and Denominator (Detail)

v2.4.0.6
Net Loss Per Common Share - Reconciliation of Numerator and Denominator (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Numerator:    
Net loss $ (9,214) $ (115,533)
Denominator:    
Weighted average common shares outstanding 56,486 50,326
Net loss per share    
Basic $ (0.16) $ (2.30)
Diluted $ (0.16) $ (2.30)