XML 49 R31.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Share Based Awards (Tables)
 12 Months Ended
Dec. 31, 2019
Share Based Awards  
Schedule of restricted stock unit activity

 

 

 

 

 

 

 

 

 

Restricted Stock Units

 

 

 

 

 

Weighted-

 

 

 

 

 

Average

 

 

 

Number of

 

Grant Date

 

 

    

Shares

    

Fair Value

 

Unvested, December 31, 2016

 

10,474,975

 

$

4.45

 

Granted

 

11,017,278

 

 

5.04

 

Vested

 

(5,964,422)

 

 

4.70

 

Cancelled/Forfeited

 

(2,621,801)

 

 

5.01

 

Unvested, December 31, 2017

 

12,906,030

 

$

4.72

 

Granted

 

10,224,832

 

 

4.63

 

Vested

 

(7,032,521)

 

 

4.88

 

Cancelled/Forfeited

 

(3,794,428)

 

 

4.48

 

Unvested, December 31, 2018

 

12,303,913

 

$

4.63

 

Granted

 

10,403,571

 

 

5.45

 

Vested

 

(7,406,628)

 

 

4.75

 

Cancelled/Forfeited

 

(2,661,790)

 

 

4.79

 

Unvested, December 31, 2019

 

12,639,066

 

$

5.20

 

 

Schedule of stock option activity under the 2008 Plan, 2014 Plan and 2015 Inducement Plan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    

 

    

Options Outstanding

 

 

 

 

 

 

 

 

 

 

Weighted-

 

 

 

 

 

 

Number of

 

 

 

 

 

 

Average

 

Aggregate

 

 

 

Shares

 

 

 

Weighted-

 

Remaining

 

Intrinsic

 

 

 

Available

 

Number of

 

Average

Contractual

 

Value

 

 

 

for Issuance

 

Shares

    

Exercise Price

    

Term (Years)

    

(In thousands)

  

Balance—December 31, 2016

    

4,199,415

 

9,835,992

 

$

4.39

 

6.23

 

$

5,734

 

Authorized

 

4,453,425

 

 —

 

 

 

 

 

 

 

 

 

Stock options granted

 

(300,000)

 

300,000

 

 

4.20

 

 

 

 

 

 

Issuance of shares under 2016 Bonus Plans

 

(1,688,097)

 

 —

 

 

 

 

 

 

 

 

 

Shares withheld from net settlement of restricted stock units

 

677,547

 

 —

 

 

 

 

 

 

 

 

 

Restricted stock units granted

 

(9,329,181)

 

 —

 

 

 

 

 

 

 

 

 

Exercised

 

 —

 

(1,172,409)

 

 

2.80

 

 

 

 

 

 

Stock options canceled

 

1,225,087

 

(1,225,087)

 

 

6.24

 

 

 

 

 

 

Restricted stock units canceled

 

2,621,801

 

 —

 

 

 

 

 

 

 

 

 

Balance—December 31, 2017

 

1,859,997

 

7,738,496

 

$

4.34

 

3.96

 

$

4,897

 

Authorized

 

4,860,197

 

 —

 

 

 

 

 

 

 

 

 

Stock options granted

 

(400,000)

 

400,000

 

 

4.71

 

 

 

 

 

 

Issuance of shares under 2017 Bonus Plans

 

(1,974,771)

 

 —

 

 

 

 

 

 

 

 

 

Shares withheld from net settlement of restricted stock units

 

1,294,360

 

 —

 

 

 

 

 

 

 

 

 

Restricted stock units granted

 

(8,250,061)

 

 —

 

 

 

 

 

 

 

 

 

Exercised

 

 —

 

(2,488,544)

 

 

2.62

 

 

 

 

 

 

Stock options canceled

 

1,153,395

 

(1,153,395)

 

 

5.49

 

 

 

 

 

 

Restricted stock units canceled

 

3,794,428

 

 —

 

 

 

 

 

 

 

 

 

Balance—December 31, 2018

 

2,337,545

 

4,496,557

 

$

5.02

 

4.98

 

$

2,446

 

Authorized

 

5,310,327

 

 —

 

 

 

 

 

 

 

 

 

Stock options granted

 

(125,000)

 

125,000

 

 

4.52

 

 

 

 

 

 

Issuance of shares under 2018 Bonus Plans

 

(2,170,855)

 

 —

 

 

 

 

 

 

 

 

 

Shares withheld from net settlement of restricted stock units

 

1,147,904

 

 —

 

 

 

 

 

 

 

 

 

Restricted stock units granted

 

(8,232,716)

 

 —

 

 

 

 

 

 

 

 

 

Exercised

 

 —

 

(1,349,694)

 

 

4.09

 

 

 

 

 

 

Stock options canceled

 

372,886

 

(372,886)

 

 

7.07

 

 

 

 

 

 

Restricted stock units canceled

 

2,661,790

 

 —

 

 

 

 

 

 

 

 

 

Balance—December 31, 2019

 

1,301,881

 

2,898,977

 

$

5.17

 

4.89

 

$

1,556

 

Vested and exercisable—December 31, 2019

 

 

 

2,410,434

 

$

5.32

 

4.17

 

$

1,353

 

Vested and expected to vest(1)—December 31, 2019

 

 

 

2,823,917

 

$

5.19

 

4.79

 

$

1,530

 

 

(1)

Options expected to vest are net of an estimated forfeiture rate.

 

Schedule of additional information regarding options outstanding

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Options Outstanding

 

Options Exercisable

 

 

 

 

 

Weighted-

 

 

 

 

 

 

 

 

 

 

 

 

 

Average

 

 

 

 

 

 

 

 

 

 

 

 

 

Remaining

 

Weighted-

 

 

 

Weighted-

 

 

 

Number of

 

Contractual

 

Average

 

Number of

 

Average

 

Range of exercises

    

Shares

    

Term (Years)

    

Exercise Price

    

Shares

    

Exercise Price

    

$0.55 — $3.85

 
753,487

 
3.85

 

$

3.18

 
646,194

 

$

3.09

 

$4.06 — $4.66

 
650,522

 
5.58

 

 

4.48

 
450,522

 

 

4.44

 

$4.70—  $5.77

 
694,723

 
5.54

 

 

5.32

 
513,473

 

 

5.53

 

$6.20 — $8.39

 
590,810

 
4.83

 

 

6.76

 
590,810

 

 

6.76

 

$8.80 — $12.05

 
209,435

 
4.39

 

 

9.54

 
209,435

 

 

9.54

 

Outstanding at December 31, 2019

 
2,898,977

 
4.89

 

$

5.17

 
2,410,434

 

$

5.32

 

 

Schedule of stock-based compensation expense recognized

Our stock-based compensation expense was recorded in the following cost and expense categories (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31,

 

    

2019

    

2018

 

2017

Cost of revenue

 

$

5,095

 

$

5,006

 

$

3,772

Research and development

 

 

14,610

 

 

15,981

 

 

14,520

Sales and marketing

 

 

8,663

 

 

9,464

 

 

8,659

General and administrative

 

 

7,436

 

 

7,985

 

 

6,780

Total

 

$

35,804

 

$

38,436

 

$

33,731

 

Schedule of assumptions used to estimate fair value of stock options granted to employees

 

 

 

 

 

 

 

 

 

 

Year ended December 31,

 

 

 

2019

 

2018

 

2017

 

Expected dividend yield

    

—

 

—

    

—

 

Risk-free interest rate

 

2.5%

 

2.7%

 

2.1%

 

Expected volatility

 

50%

 

51%

 

40%

 

Expected life (in years)

 

6.1

 

6.1

 

6.1

 

 

Schedule of assumptions used to estimate the fair value of Employee Stock Purchase Plan awards

 

 

 

 

 

 

 

 

 

Year ended December 31,

 

 

2019

 

2018

 

2017

Expected dividend yield

    

—

 

—

 

—

Risk-free interest rate

 

1.5% - 2.5%

 

1.8% - 2.6%

 

0.9% - 1.3%

Expected volatility

 

39% - 45%

 

34% - 54%

 

34% - 54%

Expected life (in years)

 

0.5 - 2.0

 

0.5 - 2.0

 

0.5 - 2.0

 

Schedule of unrecognized stock-based compensation expense and its remaining weighted-average recognition period

 

 

 

 

 

 

 

 

Unrecognized

 

Remaining

 

 

Stock-based

 

Weighted-Average

 

 

Compensation

 

Recognition

 

 

Expense

 

Period

 

   

(in millions)

   

(in years)

Stock options

 

$

0.8

 

2.5

Restricted stock units

 

 

48.2

 

2.8

ESPP

 

 

1.5

 

1.4

Total

 

$

50.5