Quarterly report [Sections 13 or 15(d)]

Note 5 - Stock Incentive Plan (Tables)

v3.25.3
Note 5 - Stock Incentive Plan (Tables)
9 Months Ended
Sep. 30, 2025
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Options Outstanding

 
   

Number of Shares Subject to Options

   

Weighted-Average Exercise Price

 

Balances at December 31, 2024

    428,915     $ 19.35  

Granted(1)

    248,381       32.31  

Forfeited(2)(3)

    (29,349 )     9.70  

Exercised

    (47,242 )     0.43  

Balances at September 30, 2025

    600,705       26.67  

Unvested options outstanding expected to vest(3)

    201,665       29.28  
Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Exercise Prices

  Number of Shares Subject to Options Outstanding     Weighted-Average Remaining Contractual Term in Years     Number of Shares Subject to Options Fully Vested and Exercisable     Weighted-Average Remaining Contractual Term in Years  

$0.00 - $25.00

    214,826       6.22       178,835       5.94  

$25.01 - $50.00

    362,040       7.51       196,368       5.83  

$50.01 - $75.00

    22,614       4.23       22,612       4.23  

$75.01 - $100.00

    1,225       4.34       1,225       4.34  
      600,705       6.92       399,040       5.78  
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
           

Weighted- Average

 
            Grant Date  
   

Restricted

   

Fair Value

 
   

Stock Units

   

per Unit

 

Unvested balance at December 31, 2024

    40,739     $ 13.92  

Granted(1)

    120,941       31.70  

Vested

    (46,412 )     24.63  

Forfeited

    (658 )     3.26  

Unvested balance at September 30, 2025

    114,610       28.40  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

 
   

2025

   

2024

   

2025

   

2024

 
                                 

Stock options granted

    22,500       27,800       248,381       43,523  

Weighted-average grant date fair value per share

  $ 37.52     $ 2.91     $ 29.98     $ 2.72  

Fair value of shares vested

  $ 810,749     $ 145,763     $ 2,513,309     $ 505,504