Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Net Income (Loss) Per Share - Calculation of Basic and Diluted Net Income (Loss) Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Numerator:                
Net income (loss) $ 7,361 $ 3,900 $ (8,192) $ (3,318) $ (1,608) $ 16,650 $ (9,218) $ (10,274)
Basic:                
Weighted average shares used in computing basic net income (loss) per share:           76,854 76,689 76,991
Diluted:                
Weighted average shares used in computing basic net income (loss) per share:           76,854 76,689 76,991
Add weighted average effect of dilutive securities:                
Stock options and restricted stock           989 0 0
Weighted average shares used in computing diluted net income (loss) per share:           77,843 76,689 76,991
Net income (loss) per share attributable to common stockholders:                
Basic (in dollars per share)           $ 0.22 $ (0.12) $ (0.13)
Diluted (in dollars per share)           $ 0.21 $ (0.12) $ (0.13)