Quarterly report pursuant to Section 13 or 15(d)

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

v3.4.0.3
Net Loss Per Share - Reconciliation of Numerator and Denominator (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Numerator:    
Net loss $ (7,852) $ (11,154)
Denominator:    
Weighted average common shares outstanding 71,488 66,732
Net loss per share    
Basic $ (0.11) $ (0.17)
Diluted $ (0.11) $ (0.17)