Annual report pursuant to Section 13 and 15(d)

Calculation of Basic and Diluted Net Income (Loss) Per Share (Detail)

v2.4.0.8
Calculation of Basic and Diluted Net Income (Loss) Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Numerator:                      
Net income (loss) $ 2,178 $ 12,886 $ 4,610 $ 1,018 $ 3,722 $ 2,113 $ (2,372) $ 1,720 $ 20,692 $ 5,183 $ (1,231)
Basic:                      
Weighted average common shares used in computing basic net income (loss) per share                 74,962 71,838 68,480
Diluted:                      
Weighted average common shares used in computing basic net income (loss) per share                 74,962 71,838 68,480
Add weighted average effect of dilutive securities:                      
Stock options and restricted stock                 1,225 2,164 0
Weighted average common shares used in computing diluted net income (loss) per share                 76,187 74,002 68,480
Net income (loss) per common share:                      
Basic (in dollars per share)                 $ 0.28 $ 0.07 $ (0.02)
Diluted (in dollars per share)                 $ 0.27 $ 0.07 $ (0.02)