| Net Loss Per Share |
12. Net Loss Per Share
Basic and diluted net loss per share is calculated as follows (in thousands, except share and per share amounts):
|
|
|
Year Ended December 31,
|
|
|
|
|
2014
|
|
2013
|
|
2012
|
|
|
Numerator:
|
|
|
|
|
|
|
|
|
|
|
|
Net loss
|
|
$
|
(62,479
|
)
|
$
|
(60,690
|
)
|
$
|
(69,128
|
)
|
|
Accretion of preferred stock
|
|
|
(9,000
|
)
|
|
(17,471
|
)
|
|
(13,992
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Loss attributable to common stockholders—basic
|
|
|
(71,479
|
)
|
|
(78,161
|
)
|
|
(83,120
|
)
|
|
Effect of dilutive convertible preferred stock
|
|
|
—
|
|
|
—
|
|
|
—
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Loss attributable to common stockholders—diluted
|
|
$
|
(71,479
|
)
|
$
|
(78,161
|
)
|
$
|
(83,120
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Denominator:
|
|
|
|
|
|
|
|
|
|
|
|
Weighted-average number of common shares used in loss per share—diluted
|
|
|
17,699,487
|
|
|
383,310
|
|
|
368,261
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Loss per share—basic and diluted
|
|
$
|
(4.04
|
)
|
$
|
(203.91
|
)
|
$
|
(225.71
|
)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
The following potentially dilutive securities, prior to the use of the treasury stock method, have been excluded from the computation of diluted weighted-average shares outstanding, as they would be anti-dilutive. For the years ended December 31, 2014, 2013, and 2012, all convertible preferred stock, options to purchase common stock and warrants outstanding were assumed to be anti-dilutive as earnings attributable to common stockholders was in a loss position.
|
|
|
Year Ended December 31
|
|
|
|
|
2014
|
|
2013
|
|
2012
|
|
|
Convertible preferred stock
|
|
|
3,857,664
|
|
|
6,617,686
|
|
|
3,412,898
|
|
|
Options to purchase common stock
|
|
|
2,466,492
|
|
|
1,743,890
|
|
|
1,706,539
|
|
|
Warrants
|
|
|
1,271,520
|
|
|
545,797
|
|
|
15,000
|
|
|