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Stock-Based Compensation
 6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Stock-Based Compensation

9. Stock-Based Compensation

 

There have been no material changes to the terms of our various equity incentive plans since the filing of our Annual Report on Form 10-K. Refer to Note 13, “Stock-Based Compensation,” in our Annual Report on Form 10-K filed with the SEC on March 15, 2024 for more information.

 

Stock-Based Compensation

 

Compensation costs that have been included in our condensed consolidated statements of operations and comprehensive loss for all stock-based compensation arrangements is set forth below:

 

Stock-based compensation  2024   2023   2024   2023 
   Three Months Ended June 30,   Six Months Ended June 30, 
Stock-based compensation  2024   2023   2024   2023 
Cost of revenues  $49   $111   $94   $364 
Sales and marketing   17    35    31    132 
General and administrative   570    1,260    1,126    2,119 
Research and development   24    56    39    209 
Total stock-based compensation  $660   $1,462   $1,290   $2,824 

 

As of June 30, 2024, there was approximately $1,313 of total unrecognized compensation cost related to our stock benefit plans. These unrecognized compensation costs are expected to be recognized over an estimated weighted-average period of approximately 1.94 years.

 

Restricted Stock Units

 

A summary of our restricted stock unit activity for the six months ended June 30, 2024 is set forth below:

 

   Shares   Weighted Average Grant Date Fair Value 
Outstanding as of December 31, 2023   96,808   $25.21 
Granted   84,081    5.63 
Released   (110,570)   11.05 
Forfeited   (48)   46.50 
Outstanding as of June 30, 2024   70,271   $24.05 

 

 

Stock Options

 

A summary of our stock option activity under the 2018 Equity Incentive Plan (the “2018 Plan) and related information is as follows:

 

  

Number of

Shares

  

Weighted

Average

Exercise Price

  

Weighted

Average

Remaining

Contractual Term

(years)

  

Aggregate

Intrinsic

Value

 
Outstanding as of December 31, 2023   2,500   $56.89    4.2   $— 
Granted   —    —           
Exercised   —    —           
Forfeited   —    —           
Outstanding as of June 30, 2024   2,500   $56.89    3.69   $— 
Exercisable as of June 30, 2024   2,500   $56.89    3.69   $— 

 

A summary of our option activity under our 2009 Equity Incentive Plan (the “2009 Plan”) and related information is as follows:

 

  

Number of

Shares

  

Weighted

Average

Exercise

Price

  

Weighted

Average

Remaining

Contractual Term

(years)

  

Aggregate

Intrinsic

Value

 
Outstanding as of December 31, 2023   14,625   $39.67    2.9   $— 
Granted   —    —           
Exercised   —    —           
Forfeited   (8,802)   37.06           
Outstanding as of June 30, 2024   5,823   $43.62    2.97   $— 
Exercisable as of June 30, 2024   5,823   $43.62    2.97   $— 

 

Our stock benefit plans had 204,170 and 86,837 shares of common stock reserved for future issuances under our equity incentive plans as of June 30, 2024 and December 31, 2023, respectively. In addition, the shares of common stock reserved for issuance under the 2018 Plan also will include any shares of common stock subject to stock options granted under the 2009 Plan, that expire or otherwise terminate without having been exercised in full and shares of common stock issued pursuant to awards granted under the 2009 Plan that are forfeited. As of June 30, 2024, the maximum number of shares of common stock that may be added to the 2018 Plan pursuant to the foregoing is 5,823.

 

Furthermore, there were 46,791 and 30,415 shares of common stock available for sale and reserved for issuance under our 2018 Employee Stock Purchase Plan as of June 30, 2024 and December 31, 2023, respectively.