Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Detail)

v3.7.0.1
Stockholders' Equity and Share-Based Compensation - Summary of Stock Option Activity (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Shares    
Outstanding, beginning (in shares) 5,841 5,281
Granted (in shares) 1,000 1,315
Exercised (in shares) (442) (301)
Cancelled:    
Forfeited (in shares) (149) (256)
Expired (in shares) (122) (198)
Outstanding, ending (in shares) 6,128 5,841
Vested and expected to vest (in shares) 5,658 5,285
Exercisable (in shares) 4,220 3,735
Weighted Average Exercise Price    
Outstanding, beginning (in dollars per share) $ 2.80 $ 2.85
Granted (in dollars per share) 3.03 2.24
Exercised (in dollars per share) 2.06 1.45
Cancelled:    
Forfeited (in dollars per share) 2.47 2.06
Expired (in dollars per share) 7.66 3.31
Outstanding, ending (in dollars per share) 2.81 2.80
Vested and expected to vest (in dollars per share) 2.82 2.88
Exercisable (in dollars per share) $ 2.92 $ 3.21
Outstanding, weighted average contractual term 5 years 8 months 27 days 6 years 11 days
Vested and expected to vest, weighted average contractual term 5 years 5 months 27 days 5 years 8 months 27 days
Exercisable, weighted average contractual term 4 years 5 months 27 days 4 years 6 months 15 days
Outstanding, aggregate intrinsic value $ 6,561 $ 4,333
Vested and expected to vest, aggregate intrinsic value 6,111 3,853
Exercisable, aggregate intrinsic value $ 4,618 $ 2,479