Quarterly report [Sections 13 or 15(d)]

Note 12 - Share-based Compensation (Tables)

v3.25.2
Note 12 - Share-based Compensation (Tables)
6 Months Ended
Jun. 30, 2025
Notes Tables  
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]
   

Three Months Ended

June 30,

   

Six Months Ended

June 30,

 
   

2025

   

2024

   

2025

   

2024

 

General and administrative

  $ 538     $ 336     $ 1,216     $ 629  

Research and development

    233       107       422       302  

Total share-based compensation

  $ 771     $ 443     $ 1,638     $ 931  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Shares

Underlying

Options

   

Weighted

Average Exercise

Price Per Share

   

Aggregate

Intrinsic Value

 

Balances at December 31, 2024

    4,692,438     $ 3.33     $ 10,243  

Granted

    2,333,416       4.42          

Forfeitures

    (231,375 )     4.35          

Exercised

    (103,875 )     2.51          

Expired

    (5,000 )     6.91          

Balances at June 30, 2025

    6,685,604     $ 3.70     $ 3,767  
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]
       

Outstanding, Vested and Expected to Vest

   

Options Vested and Exercisable

 

Per Share

Exercise Price

 

Shares

   

Weighted Average

Remaining

Contractual Life

(Years)

   

Weighted Average

Exercise Price

   

Options

Exercisable

   

Weighted Average

Remaining

Contractual Life

(Years)

 

$1.00

-

$1.99

   

191,443

     

7.7

   

$

1.59

     

105,457

     

7.7

 

$2.00

-

$2.99

   

2,769,645

     

7.4

     

2.74

     

1,484,034

     

7.0

 

$3.00

-

$3.99

   

311,893

     

5.2

     

3.56

     

229,393

     

3.9

 

$4.00

-

$4.99

   

2,652,069

     

8.0

     

4.24

     

677,182

     

4.0

 

$5.00

-

$10.00

   

760,554

     

7.3

     

5.93

     

380,729

     

5.2

 
         

6,685,604

     

7.5

   

$

3.70

     

2,876,795

     

5.8