Quarterly report [Sections 13 or 15(d)]

Note 5 - Stock Incentive Plan (Tables)

v3.26.1
Note 5 - Stock Incentive Plan (Tables)
3 Months Ended
Mar. 31, 2026
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, 2025

    616,555     $ 30.77  

Granted(1)

    62,228       54.28  

Forfeited(2)(3)

    (520 )     16.98  

Exercised

           

Balances at March 31, 2026

    678,263       32.94  

Unvested options outstanding expected to vest(3)

    247,008       45.27  
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

    207,331       5.76       186,753       5.59  

$25.01 - $50.00

    331,364       7.02       217,640       6.00  

$50.01 - $75.00

    85,366       8.37       21,982       3.87  

$75.01 - $100.00

    50,202       9.53       4,880       8.21  

$100.01 - $125.00

    4,000       9.54              
      678,263       7.00       431,255       5.74  
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, 2025

    175,634     $ 48.88  

Granted(1)

           

Vested

    (10,576 )     26.27  

Forfeited

    (348 )     15.06  

Unvested Balance at March 31, 2026 

    164,710       50.41  
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 March 31,

 
   

2026

   

2025

 
                 

Stock options granted

    62,228       216,331  

Weighted-average grant date fair value per share

  $ 49.84     $ 29.17  

Fair value of shares vested

  $ 646,429     $ 745,436