XML 181 R166.htm IDEA: XBRL DOCUMENT v3.21.4
Stockholders' Equity (Tables)
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Stockholders' Equity (Deficit)    
Schedule of fair value of stock option awards valuation assumptions  

    

2020

    

2019

    

2018

Exercise price

$2.29 – $2.55

$2.54 – $2.55

$2.96 – $3.07

Expected dividend yield

0%

0%

0%

Expected volatility

41% – 46%

38% – 39%

37% – 39%

Expected term (years)

5.55 – 6.07

5.80 – 6.09

5.65 – 6.25

Risk free interest rate

0.26% – 1.17%

1.58% – 2.35%

2.47% – 3.04%

Schedule of stock options activity

Weighted

Weighted

 

Average

Average

Aggregate

Number of

Exercise

Remaining

Intrinsic

    

Shares

    

Price

    

Term

    

 Value

Balance as of December 31, 2020

 

32,127

 

$

1.96

 

5.01

 

$

19,248

Granted

 

2,028

2.79

 

  

Exercised

 

(798)

0.73

 

  

Forfeited

 

(7,738)

2.97

 

  

Expired

 

(1,603)

2.78

 

  

Balance as of September 30, 2021

 

24,016

 

$

1.69

 

2.59

 

$

25,699

Expected to vest at September 30, 2021

 

2,357

 

$

2.74

 

9.35

Exercisable at September 30, 2021

 

24,016

 

$

1.69

 

2.59

 

$

25,699

Weighted

Weighted

Average

Average

Aggregate

Number of

Exercise

Remaining

Intrinsic

    

Shares

    

Price

    

Term

    

Value

Balance as of December 31, 2019

 

35,016

$

2.00

 

5.03

$

24,634

Granted

 

335

 

2.46

Exercised

 

(230)

 

0.62

Forfeited

 

(1,700)

 

2.86

Expired

 

(1,294)

 

2.22

Balance as of December 31, 2020

 

32,127

$

1.96

 

5.01

$

19,248

Expected to vest at December 31, 2020

 

8,427

$

2.94

 

7.98

 

Exercisable at December 31, 2020

 

24,611

$

1.65

 

4.12

$

19,248

Schedule of the restricted stock unit activity

    

Weighted Average

Grant-Date Fair

    

Shares

    

Value

Outstanding as of December 31, 2020

 

8,268

 

$

2.61

Granted

 

9,260

2.81

Vested

 

Forfeited

 

(359)

2.70

Outstanding as of September 30, 2021

 

17,169

 

$

2.71

A summary of the restricted stock unit activity is presented below (in thousands, except per share amounts):

Weighted Average

Grant-Date Fair

    

Shares

    

Value

Outstanding as of December 31, 2019

 

8,433

$

2.63

Granted

 

1,003

 

2.38

Vested

 

 

Forfeited

 

(1,168)

 

2.67

Outstanding as of December 31, 2020

 

8,268

$

2.61