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STOCK-BASED COMPENSATION (Tables)
 6 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Summary of equity incentive program

A summary of our equity incentive program as of June 30, 2023 is as follows (in thousands):


Common stock shares available for grant

           5,056

Stock options outstanding

              119

RSUs outstanding

              751

RSAs outstanding

              75

PSUs outstanding

              411

Summary of time-based stock options

The following summarizes time-based stock options activities for the six months ended June 30, 2023:


 

Number of Shares Underlying Stock Options (in thousands)


 


Weighted Average Exercise Price Per Share


 


Weighted Average Remaining Contractual Life (Years)


 


Aggregate Intrinsic Value (in thousands)


Outstanding at December 31, 2022

 140

 

$

 7.57

 


4.03


 

$

            — 

Granted

 —

 


 —

 


Exercised

(21

 )

 


 7.54

 


Canceled or expired

 —

 


 —

 


Outstanding as of June 30, 2023

 119

 

$

 7.57

 


3.54


 

$

 —

Vested and expected to vest at June 30, 2023

 118

 

$

 7.57

 


3.54


 

$

 —

Exercisable at June 30, 2023

99


$

7.57



3.54



$

—
Summary of restricted stock units activities

The following summarizes RSU activities for the six months ended June 30, 2023:


 


Number of Restricted Stock Units (in thousands)


 


Weighted Average Grant Date Fair Value Per Share



Weighted Average Remaining Recognition Period (Years)

 


Aggregate Intrinsic Value (in thousands)


Outstanding at December 31, 2022


       887


 

$

         5.85



2.38


 

$

        6,226

Granted


              50

 


              7.76

 


 


 


Released


(134

 )

 


      5.35

 


 


 


Forfeited


(52

 )

 


       6.91

 


 


 


Outstanding at June 30, 2023


      751

 

$

        5.99

1.72


 

$

       5,317
Summary of restricted stock awards activities

The following summarizes RSA activities for the six months ended June 30, 2023:


 


Number of Restricted Stock Awards
(in thousands)

 


Weighted Average Grant Date Fair Value Per Share


 


Weighted Average Remaining Recognition Period (Years)


Outstanding at December 31, 2022


      119

 

$

         5.47

 


0.39


Granted


        75

 


       8.31

 


 


Released


(119

 )

 


        5.47

 


 


Forfeited


              —

 


              —

 


 


Outstanding at June 30, 2023


        75

 

$

       8.31

 


0.75


Share-based Payment Arrangement, Outstanding Award, Activity, Excluding Option

The following summarizes PSU activities for the six months ended June 30, 2023:


 

Number of Market Condition-Based Performance Stock Units (in thousands)


 


Weighted Average Grant Date Fair Value Per Share


 


Weighted Average Remaining Recognition Period (Years)


Outstanding at December 31, 2022

       615

 

$

         3.69

 


1.12


Granted

              —

 


              —

 


 


Released

(204

 )

 


          —

 


 


Forfeited

              —

 


              —

 


 


Outstanding at June 30, 2023

        411

 

$

         3.70

 


0.87


Summary of stock-based compensation expenses

 


Three Months Ended June 30,




Six Months Ended June 30,

 


2023


 


2022




2023


2022

Stock options

$ 

16

 

$ 

52
$ (40 )
$ 15

RSUs, RSAs and PSUs


   744

 


    734


1,747


1,915

ESPP


              —

 


5

0


2

Total

$ 

760

 

$ 

      791

$ 1,707

$ 1,932

 


 


 


 










Sales and marketing

$ 

97

 

$

(99

 )
$ (2 )
$ (2 )

Research and development


1

 


(23

 )

(73 )

81

General and administrative


  662

 


         913


1,782


1,853

Total

$ 

 760

 

$ 

  791

$ 1,707

$ 1,932