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Note 7 - Stock-based Compensation (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Share-Based Payment Arrangement, Option, Activity [Table Text Block]
   

Stock Options

   

Grant Date Weighted- Average Exercise Price

   

Weighted- Average Remaining Contractual Life (in Years)

   

Intrinsic Value

 

Outstanding at January 1, 2023

    95,000     $ 2.76       4.83     $ 25,000  

Granted

    70,000     $ 2.82       7.00     $ -  

Forfeited

    (19,000 )   $ 2.69       -     $ -  

Outstanding at September 30, 2023

    146,000     $ 2.80       5.51     $ -  

Exercisable at September 30, 2023

    38,000     $ 2.86       3.35     $ -  
                                 

Outstanding at January 1, 2022

    67,000     $ 2.72       3.33     $ -  

Granted

    50,000     $ 2.72       5.00     $ -  

Exercised

    (2,000 )   $ 2.70       -     $ -  

Forfeited

    (7,000 )   $ 2.58       -     $ -  

Outstanding at September 30, 2022

    108,000     $ 2.73       4.85     $ 9,000  

Exercisable at September 30, 2022

    50,000     $ 2.74       2.74     $ -