Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Equity - Summary of Stock Option Activity (Detail)

v3.5.0.2
Equity - Summary of Stock Option Activity (Detail)
6 Months Ended
Jun. 30, 2016
$ / shares
shares
Equity [Abstract]  
Stock options, beginning balance | shares 5,326,505
Stock options, granted | shares 2,372,527
Stock options, exercised | shares 2,003,597
Stock options, canceled or expired | shares 258,155
Stock options, ending balance | shares 5,437,280
Stock options, exercisable, ending balance | shares 1,512,503
Weighted average exercise price, beginning balance | $ / shares $ 3.07
Weighted average exercise price, granted | $ / shares 6.77
Weighted average exercise price, exercised | $ / shares 0.92
Weighted average exercise price, canceled or expired | $ / shares 4.68
Weighted average exercise price, ending balance | $ / shares 4.17
Weighted average exercise price, exercisable, ending balance | $ / shares $ 2.32