Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Tables)

v3.10.0.1
Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2018
Equity [Abstract]  
Summary of Stock Options Activity

The activity for stock options under the Company’s stock plans is as follows:  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remaining

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

weighted-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

average

 

 

Per share

 

 

 

 

 

 

 

 

 

 

 

average

 

 

contractual

 

 

average

 

 

 

 

 

 

 

Price per

 

 

exercise

 

 

terms

 

 

intrinsic

 

 

 

Options

 

 

share

 

 

price

 

 

(in years)

 

 

value

 

Outstanding as of December 31, 2017

 

 

1,836,426

 

 

$0.60-$83.30

 

 

$

30.77

 

 

 

4.58

 

 

$

88.31

 

Granted

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exercised

 

 

(434,724

)

 

0.60-58.95

 

 

 

25.22

 

 

 

 

 

 

 

 

 

Forfeited

 

 

(625

)

 

 

24.52

 

 

 

24.52

 

 

 

 

 

 

 

 

 

Expired

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outstanding as of September 30, 2018

 

 

1,401,077

 

 

$0.75-$83.30

 

 

$

32.50

 

 

 

4.03

 

 

$

211.62

 

Vested and exercisable as of September 30, 2018

 

 

1,048,407

 

 

$0.75-$83.30

 

 

$

28.95

 

 

 

3.93

 

 

$

215.17

 

Vested and expected to vest as of September 30, 2018

 

 

1,377,950

 

 

$0.75-$83.30

 

 

$

32.32

 

 

 

4.03

 

 

$

211.80

 

 

Summary of Restricted Stock Activity

Stock Awards activity for the nine months ended September 30, 2018, is summarized below:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

average

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

grant

 

 

 

 

 

 

 

Performance

 

 

 

 

 

 

date fair

 

 

 

 

 

 

 

and

 

 

 

 

 

 

value

 

 

 

Time-based

 

 

time-based

 

 

Total

 

 

per share

 

Unvested restricted stock units outstanding as of December 31, 2017

 

 

42,028

 

 

 

13,109

 

 

 

55,137

 

 

$

90.05

 

Granted

 

 

30,033

 

 

 

 

 

 

30,033

 

 

 

143.19

 

Vested

 

 

(11,002

)

 

 

(4,370

)

 

 

(15,372

)

 

 

89.05

 

Forfeited/canceled

 

 

(1,452

)

 

 

 

 

 

(1,452

)

 

 

104.81

 

Unvested restricted stock units outstanding as of September 30, 2018 (1)

 

 

59,607

 

 

 

8,739

 

 

 

68,346

 

 

$

113.32

 

Unvested and expected to vest restricted stock units outstanding as

   of September 30, 2018

 

 

 

 

 

 

 

 

 

 

63,449

 

 

$

114.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unvested restricted stock awards outstanding as of December 31, 2017

 

 

20,789

 

 

 

20,785

 

 

 

41,574

 

 

$

91.52

 

Granted

 

 

22,645

 

 

 

33,964

 

 

 

56,609

 

 

 

130.89

 

Vested

 

 

(5,198

)

 

 

(6,928

)

 

 

(12,126

)

 

 

91.52

 

Forfeited/canceled

 

 

 

 

 

 

 

 

 

 

 

 

Unvested restricted stock awards outstanding as of September 30, 2018 (1)

 

 

38,236

 

 

 

47,821

 

 

 

86,057

 

 

$

115.38

 

Unvested and expected to vest restricted stock awards outstanding as

   of September 30, 2018

 

 

 

 

 

 

 

 

 

 

68,621

 

 

$

115.77

 

 

(1)

Outstanding restricted stock units and restricted stock awards are based on the maximum payout of the targeted number of shares.  

Summary of Stock-based Compensation Expense

Stock-based compensation

Stock-based compensation expense recognized for the three months and nine months ended September 30, 2018 and September 30, 2017 was as follows:

 

 

 

Three months ended

 

 

Nine months ended

 

 

 

September 30,

 

 

September 30,

 

 

 

2018

 

 

2017

 

 

2018

 

 

2017

 

Stock-based compensation expense by type of award:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stock option plan awards

 

$

1,348

 

 

$

2,012

 

 

$

4,847

 

 

$

5,811

 

Restricted stock units and restricted stock awards

 

 

1,679

 

 

 

402

 

 

 

4,334

 

 

 

450

 

Employee stock purchase plan

 

 

189

 

 

 

109

 

 

 

602

 

 

 

369

 

Total stock-based compensation expense

 

$

3,216

 

 

$

2,523

 

 

$

9,783

 

 

$

6,630

 

For the three months and nine months ended September 30, 2018 and September 30, 2017, stock-based compensation expense recognized under ASC 718, included in cost of revenue, research and development expense, sales and marketing expense, and general and administrative expense, was as follows:

 

 

 

Three months ended

 

 

Nine months ended

 

 

 

September 30,

 

 

September 30,

 

 

 

2018

 

 

2017

 

 

2018

 

 

2017

 

Cost of revenue

 

$

187

 

 

$

205

 

 

$

719

 

 

$

608

 

Research and development

 

 

348

 

 

 

260

 

 

 

1,010

 

 

 

733

 

Sales and marketing

 

 

630

 

 

 

407

 

 

 

1,761

 

 

 

1,069

 

General and administrative

 

 

2,051

 

 

 

1,651

 

 

 

6,293

 

 

 

4,220

 

Total stock-based compensation expense

 

$

3,216

 

 

$

2,523

 

 

$

9,783

 

 

$

6,630