Quarterly report pursuant to Section 13 or 15(d)

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

v2.4.0.8
Net Income (Loss) Per Common Share - Reconciliation of Numerator and Denominator (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Numerator:        
Net income (loss) - basic $ (12,788) $ 17,001 $ (22,002) $ (98,532)
Less: noncash income from change in fair value of common stock warrants   (19,852)    
Net loss - diluted $ (12,788) $ (2,851) $ (22,002) $ (98,532)
Denominator:        
Weighted average common shares outstanding 57,037 54,549 56,763 52,435
Dilutive effect of warrants   8,945    
Weighted-average common shares outstanding and potential dilutive common shares - diluted 57,037 63,494 56,763 52,435
Net income (loss) per share        
Basic $ (0.22) $ 0.31 $ (0.39) $ (1.88)
Diluted $ (0.22) $ (0.04) $ (0.39) $ (1.88)