Quarterly report pursuant to Section 13 or 15(d)

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

v3.8.0.1
Net Loss Per Share - Reconciliation of Numerator and Denominator (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Numerator:        
Net loss attributable to common shareholders $ (11,105) $ (3,585) $ (17,183) $ (9,643)
Denominator:        
Weighted average common shares outstanding - basic and diluted 17,925,585 301,494 6,241,947 301,275
Net loss per share:        
Basic and diluted $ (0.62) $ (11.89) $ (2.75) $ (32.01)