Annual report pursuant to Section 13 and 15(d)

Note 13 - Stock-based Compensation (Tables)

v3.24.1
Note 13 - Stock-based Compensation (Tables)
12 Months Ended
Dec. 31, 2023
Notes Tables  
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
   

2023

   

2022

 

Risk-free interest rate

    4.6 %     1.9% - 4.3%  

Dividend yield

    0 %     0 %

Expected term (years)

    3.25 - 3.50       3.25 - 6.00  

Expected volatility

    33.5% - 36.7%       45.8% - 48.1%  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Shares

   

Weighted average exercise price per share

 

Weighted Average Remaining Contractual Term

 

Aggregate Intrinsic Value

 

Outstanding at December 31, 2021

    290,450     $ 31.70  

4 years, 11 months

  $ 5,195,253  

Options granted

    195,200       28.15            

Options exercised

    (26,400 )     2.80            

Options expired

    (500 )     3.50            

Options forfeited

    (3,500 )     13.00            

Outstanding at December 31, 2022

    455,250     $ 32.05  

6 years, 5 months

  $ 95,937  

Options granted

    85,000       2.11            

Options exercised

    (2,000 )     3.70            

Options expired

    (59,750 )     23.53            

Options forfeited

    (87,500 )     30.11            

Outstanding at December 31, 2023

    391,000     $ 27.43  

5 years, 4 months

  $ 998  

Exercisable at December 31, 2023

    224,570     $ 36.61  

4 years, 6 months

  $ 998  
Schedule of Nonvested Share Activity [Table Text Block]
   

Nonvested

 
   

Shares

   

Weighted average exercise price per share

   

Weighted average grant date fair value

 

Nonvested at December 31, 2021

    95,250     $ 40.70     $ 15.10  

Granted

    195,200       28.15       13.65  

Vested

    (51,375 )     39.00       14.70  

Forfeited

    (3,500 )     13.00       13.00  

Nonvested at December 31, 2022

    235,575     $ 31.10     $ 14.00  

Granted

    85,000       2.11       0.65  

Vested

    (58,145 )     33.47       13.82  

Expired

    (8,500 )     49.82       21.45  

Forfeited

    (87,500 )     30.11       12.68  

Nonvested at December 31, 2023

    166,430     $ 15.04     $ 6.60