Annual report [Section 13 and 15(d), not S-K Item 405]

Note 17 - Stock-based Compensation (Tables)

v3.25.0.1
Note 17 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2024
Notes Tables  
Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]
   

Awards Reserved for Issuance

   

Awards Exercised

   

Awards Outstanding

   

Awards Available for Grant

 
                                 

2016 Plan

    2,000,000             2,489       1,997,511  

2018 Plan

    43,976,425       40,221       176,860       43,759,344  

2019 Plan

    55,000,000       349       117,715       54,881,936  
Share-Based Payment Arrangement, Cost by Plan [Table Text Block]
    (in thousands, except for shares / options) For the Year Ended  
   

December 31, 2024

   

December 31, 2023

 

Type of Award

 

Number of Shares or Options Granted

   

Stock-Based Compensation Expense

   

Number of Shares or Options Granted

   

Stock- Based Compensation Expense

 
                                 

Stock Options

    45,534     $ 371       192,442     $ 525  
                                 

Stock Grants:

                               

Non–Employee Consultants (Common Stock)

                1,721,186       1,910  

Total Stock–Based Compensation Expense

          $ 371             $ 2,435  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Number of Shares

   

Weighted-Average Exercise Price Per Share

   

Weighted-Average Remaining Contractual Life (in Years)

   

Aggregate Intrinsic Value of In-the-Money Options

 

Options Outstanding as of December 31, 2022

    528,211     $ 20.00                  

Granted

    192,442     $ 1.00                  

Forfeited

    (351,352 )   $ 22.00                  

Options Outstanding as of December 31, 2023

    369,301     $ 13.00                  

Granted

    45,534     $ 0.69                  

Forfeited

    (117,771 )   $ 1.43                  

Options Outstanding as of December 31, 2024

    297,064     $ 15.20       6.3 years     $  

Options Exercisable as of December 31, 2024

    296,952     $ 15.21       6.3 years     $  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

Year Ended December 31,

 
   

2024

   

2023

 

Expected Term (in Years)

    5.0       5.0  

Volatility

    90.4 %     121.2 %

Risk-Free Interest Rate

    4.4 %     4.8 %

Dividend Yield

    0 %     0 %