Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Stock Incentive Plan (Tables)

v3.23.2
Note 5 - Stock Incentive Plan (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Options Outstanding

 
   

Number of Shares Subject to Options

   

Weighted-Average Exercise Price

 

Balances as of December 31, 2022

    1,642,950       4.28  

Granted(1)

    508,902       3.14  

Forfeited(2)

    (37,851 )     4.10  

Balances as of June 30, 2023

    2,114,001       4.01  

Unvested options outstanding expected to vest(3)

    768,496       3.44  
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

 

$0.001 - $5.00

    1,376,895       7.43       698,533       5.68  

$5.01 - $10.00

    617,942       6.01       530,365       5.71  

$10.01 - $15.00

    113,039       6.59       110,482       6.59  

$15.01 - $20.00

    6,125       6.59       6,125       6.59  
      2,114,001       6.97       1,345,505       5.77  
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]
           

Weighted- Average

 
   

Restricted

   

Grant Date

 
   

Stock Units

   

Fair Value

 
   

(#)

   

per Unit ($)

 

Unvested balance as of December 31, 2022

    272,650       4.00  

Granted

    368,345       3.16  

Vested

    (115,430 )     4.05  

Unvested Balance as of June 30, 2023

    525,565       3.40  
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 June 30,

   

Six Months Ended June 30,

 
   

2023

   

2022

   

2023

   

2022

 
                                 

Stock options granted

          25,000       508,902       578,064  

Weighted-average grant date fair value per share

  $     $ 2.00     $ 2.38     $ 2.11