v3.5.0.2
Stock-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2016
Stock-Based Compensation  
Schedule of stock-based compensation expense by operating expense category

 

Total stock-based compensation expense, by operating expense category, in the condensed consolidated statements of operations was as follows (in thousands):

 

 

 

Three Months

 

Nine Months

 

 

 

Ended September 30,

 

Ended September 30,

 

 

 

2016

 

2015

 

2016

 

2015

 

Platform operations

 

$

75 

 

$

34 

 

$

114 

 

$

51 

 

Sales and marketing

 

200 

 

34 

 

318 

 

88 

 

Technology and development

 

216 

 

24 

 

330 

 

53 

 

General and administrative

 

165 

 

24 

 

286 

 

59 

 

 

 

 

 

 

 

 

 

 

 

Total

 

$

656 

 

$

116 

 

$

1,048 

 

$

251 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Summary of stock option activity

 

 

 

Shares

 

Weighted-

 

Weighted-Average

 

 

 

Under Option

 

Average

 

Contractual

 

 

 

(in thousands)

 

Exercise Price

 

Life

 

Outstanding at December 31, 2015

 

5,177

 

$

0.74

 

7.4 years

 

Granted

 

721

 

16.86

 

 

 

Exercised

 

(626

)

0.69

 

 

 

Cancelled

 

(65

)

2.51

 

 

 

 

 

 

 

 

 

 

 

Outstanding at September 30, 2016

 

5,207

 

2.96

 

7.0 years

 

 

 

 

 

 

 

 

 

 

Schedule of weighted-average assumptions used to value options granted to employees

 

 

 

Three Months

 

Nine Months

 

 

 

Ended September 30,

 

Ended September 30,

 

 

 

2016

 

2015

 

2016

 

2015

 

Expected term (years)

 

6.1 

 

5.9 

 

6.0 

 

6.0 

 

Expected volatility

 

59.0 

%

65.8 

%

58.9 

%

68.5 

%

Risk-free interest rate

 

1.28 

%

1.68 

%

1.34 

%

1.57 

%

Estimated dividend yield

 

%

%

%

%

 

Schedule of weighted-average assumptions used to estimate the fair value of ESPP shares

 

 

 

 

 

 

As of

 

 

 

September 30, 2016

 

Expected term (years)

 

1.3

 

Expected volatility

 

51.8%

 

Risk-free interest rate

 

0.61%

 

Estimated dividend yield

 

—%