Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Net Loss Per Share - Reconciliation of Numerator and Denominator (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Numerator:    
Net loss $ (5,074) $ (7,852)
Denominator:    
Weighted average common shares outstanding 71,575 71,488
Net loss per share    
Basic $ (0.07) $ (0.11)
Diluted $ (0.07) $ (0.11)