XML 22 R25.htm IDEA: XBRL DOCUMENT v2.4.0.8
Net Loss Per Share (Tables)
 9 Months Ended
Sep. 30, 2014
Earnings Per Share [Abstract]  
Weighted Average Number of Common Shares Outstanding
For purposes of this calculation, common stock subject to repurchase by the Company, options and warrants are considered to be common stock equivalents and are only included in the calculation of diluted earnings per share when their effect is dilutive (in thousands, except per share data):
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
Numerator:
 
 
 
 
 
 
 
Net loss for basic earnings per share
$
(3,041
)
 
$
(14,510
)
 
$
(12,609
)
 
$
(21,820
)
Decrease in fair value of warrants
(513
)
 
—

 
(520
)
 
—

Diluted net loss applicable to common stockholders
$
(3,554
)
 
$
(14,510
)
 
$
(13,129
)
 
$
(21,820
)
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding
98,126

 
97,318

 
97,864

 
96,940

Weighted average unvested common shares subject to repurchase
(735
)
 
(937
)
 
(824
)
 
(894
)
Weighted average common shares outstanding—basic
97,391

 
96,381

 
97,040

 
96,046

Effect of dilutive securities:
 
 
 
 
 
 
 
Conversion of preferred stock
—

 
—

 
—

 
—

Options
—

 
—

 
—

 
—

Warrants
938

 
—

 
218

 
—

Weighted average common shares outstanding—diluted
98,329

 
96,381

 
97,258

 
96,046

Net loss per share:
 
 
 
 
 
 
 
Basic
$
(0.03
)
 
$
(0.15
)
 
$
(0.13
)
 
$
(0.23
)
Diluted
$
(0.04
)
 
$
(0.15
)
 
$
(0.13
)
 
$
(0.23
)
Weighted-Average Anti-Dilutive Securities Not Included in Diluted Net Loss Per Share
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
Numerator:
 
 
 
 
 
 
 
Net loss for basic earnings per share
$
(3,041
)
 
$
(14,510
)
 
$
(12,609
)
 
$
(21,820
)
Decrease in fair value of warrants
(513
)
 
—

 
(520
)
 
—

Diluted net loss applicable to common stockholders
$
(3,554
)
 
$
(14,510
)
 
$
(13,129
)
 
$
(21,820
)
Denominator:
 
 
 
 
 
 
 
Weighted average common shares outstanding
98,126

 
97,318

 
97,864

 
96,940

Weighted average unvested common shares subject to repurchase
(735
)
 
(937
)
 
(824
)
 
(894
)
Weighted average common shares outstanding—basic
97,391

 
96,381

 
97,040

 
96,046

Effect of dilutive securities:
 
 
 
 
 
 
 
Conversion of preferred stock
—

 
—

 
—

 
—

Options
—

 
—

 
—

 
—

Warrants
938

 
—

 
218

 
—

Weighted average common shares outstanding—diluted
98,329

 
96,381

 
97,258

 
96,046

Net loss per share:
 
 
 
 
 
 
 
Basic
$
(0.03
)
 
$
(0.15
)
 
$
(0.13
)
 
$
(0.23
)
Diluted
$
(0.04
)
 
$
(0.15
)
 
$
(0.13
)
 
$
(0.23
)

The anti-dilutive securities not included in diluted net loss per share were as follows (in thousands):
 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
Options to purchase common stock
6,904

 
2,383

 
7,199

 
4,355

Unvested restricted share awards
735

 
937

 
824

 
894

Warrants to purchase common stock
594

 
594

 
6,844

 
594

Total
8,233

 
3,914

 
14,867

 
5,843