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Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2021
Stock-Based Compensation  
Summary of stock options outstanding, exercisable and vested or expected to vest

A summary of stock option activity under the Company’s 2015 Plan and 2020 Plan for the years ended December 31, 2021 and 2020 is as follows:

Weighted-

Average

Weighted-

Remaining

Aggregate

Average

Contractual

Intrinsic

    

    

Exercise

    

Term

    

Value

Number of Shares

Price

(years)

(in thousands)

Outstanding, December 31, 2020

917,437

$

13.68

8.1

 

$

2,070

Granted

497,517

$

12.63

Exercised

(3,305)

$

7.91

Forfeited

(24,838)

$

15.54

Outstanding, December 31, 2021

1,386,811

$

13.28

7.8

$

179

Vested and exercisable, December 31, 2021

394,437

$

10.47

5.3

$

159

Schedule of RSU activity

    

Number of

    

Weighted-

Shares 

Average

Underlying

Grant Date

RSUs

Fair Value

Unvested, December 31, 2020

 

147,883

$

17.00

Granted

 

94,082

$

14.25

Vested

 

$

Forfeited

 

(5,980)

$

13.85

Unvested, December 31, 2021

 

235,985

$

15.98

Schedule of stock-based compensation expense recognized

Stock-based compensation expense recognized during the years ended December 31, 2021 and 2020 comprised of the following (in thousands):

Year Ended

December 31, 

    

2021

    

2020

  

Sales and marketing

    

$

654

    

$

108

General and administrative

 

2,186

 

553

Research and development

 

531

 

93

Cost of goods sold

 

164

 

25

Total stock-based compensation expense

$

3,535

$

779

Summary of weighted-average assumptions were used to determine the fair value of options

The following weighted-average assumptions were used to determine the fair value of options during the years ended December 31, 2021 and 2020:

Year Ended

December 31, 

  

2021

    

2020

 

Expected term (years)

5.9

6.2

Risk-free interest rate

0.96

%

0.50

%

Volatility factor

64

%

55

%

Dividend yield