XML 24 R14.htm IDEA: XBRL DOCUMENT v3.10.0.1
Net Loss Per Share Attributable to Common Stockholders
 9 Months Ended
Sep. 30, 2018
Earnings Per Share [Abstract]  
Net Loss Per Share Attributable to Common Stockholders Net Loss Per Share Attributable to Common Stockholders
The following table sets forth the computation of basic and diluted net loss per share attributable to common stockholders:
 
Three Months Ended September 30,
 
Nine Months Ended September 30,
(in thousands, except per share data)
2018
 
2017
 
2018
 
2017
Net loss attributable to common stockholders
$
(20,924
)
 
$
(11,505
)
 
$
(54,341
)
 
$
(29,923
)
 
 
 
 
 
 
 
 
Weighted-average shares used to compute net loss per share attributable to common stockholders, basic and diluted
74,261

 
22,679

 
40,688

 
22,004

Net loss per share attributable to common stockholders, basic and diluted
$
(0.28
)
 
$
(0.51
)
 
$
(1.34
)
 
$
(1.36
)

The following potentially dilutive securities have been excluded from the diluted per share calculations because they would have been antidilutive:
 
Three and Nine Months Ended September 30,
(in thousands)
2018
 
2017
Stock options
19,387

 
13,826

Restricted stock units
1,050

 
—

Restricted shares
989

 
1,583

Shares to be issued under ESPP
118

 
—

Redeemable convertible preferred stock
—

 
55,386

Total
21,544

 
70,795