| Computation of Basic and Diluted Net Loss Per Common Share |
The following table presents the computation of basic and diluted net loss per share attributable to common stockholders:
|
|
|
Three Months Ended |
|
|
Nine Months Ended |
|
|
|
|
September 30, |
|
|
September 30, |
|
|
|
|
2018 |
|
|
2017 |
|
|
2018 |
|
|
2017 |
|
|
Numerator |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Net loss |
|
$ |
(15,941 |
) |
|
$ |
(19,369 |
) |
|
$ |
(43,319 |
) |
|
$ |
(46,811 |
) |
|
Accretion of redeemable convertible preferred stock |
|
|
— |
|
|
|
— |
|
|
|
— |
|
|
|
(4,470 |
) |
|
Net loss attributable to common stockholders |
|
$ |
(15,941 |
) |
|
$ |
(19,369 |
) |
|
$ |
(43,319 |
) |
|
$ |
(51,281 |
) |
|
Denominator |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Weighted-average common shares outstanding |
|
|
18,710,064 |
|
|
|
14,936,809 |
|
|
|
17,128,380 |
|
|
|
8,820,609 |
|
|
Less: Weighted-average shares subject to repurchase |
|
|
(98,235 |
) |
|
|
(153,443 |
) |
|
|
(120,530 |
) |
|
|
(180,431 |
) |
|
Denominator for basic and diluted net loss per share
attributable to common stockholders |
|
|
18,611,829 |
|
|
|
14,783,366 |
|
|
|
17,007,850 |
|
|
|
8,640,178 |
|
|
Basic and diluted net loss per share attributable to common
stockholders |
|
$ |
(0.86 |
) |
|
$ |
(1.31 |
) |
|
$ |
(2.55 |
) |
|
$ |
(5.94 |
) |
|
| Effect of Anti-dilutive Securities |
Potentially dilutive securities that were not included in the calculation of diluted net loss per share attributable to common stockholders because their effect would be anti-dilutive were as follows (in common equivalent shares):
|
|
|
Three Months Ended |
|
|
Nine Months Ended |
|
|
|
|
September 30, |
|
|
September 30, |
|
|
|
|
2018 |
|
|
2017 |
|
|
2018 |
|
|
2017 |
|
|
Common stock options and restricted stock units |
|
|
11,290,470 |
|
|
|
4,432,611 |
|
|
|
7,654,557 |
|
|
|
2,636,548 |
|
|
Warrants to purchase common stock |
|
|
1,297,151 |
|
|
|
1,524,579 |
|
|
|
1,211,025 |
|
|
|
987,200 |
|
|
|
|
|
12,587,621 |
|
|
|
5,957,190 |
|
|
|
8,865,582 |
|
|
|
3,623,748 |
|
|