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Note 12 - Loss Per Share (Tables)
9 Months Ended
Sep. 30, 2024
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
    Three Months Ended
September 30,
   
    Nine Months Ended
September 30,
    
 
   

2024

   

2023

   

2024

   

2023

 

Numerator:

                               

Net (loss) from continuing operations

  $ (2,283,413

)

  $ (2,748,367

)

  $ (8,759,343 )   $ (9,025,398 )

Net (loss) from discontinued operations

    (811,277 )     (415,083 )     (1,735,451 )     (1,483,222 )

Net (loss) attributable to common stockholders

  $ (3,094,690 )   $ (3,163,450 )   $ (10,494,794 )   $ (10,508,620 )
                                 

Denominator:

                               

Weighted average common shares outstanding - basic

    6,396,221       4,031,356       5,046,227       3,998,887  

Effect of diluted stock options, warrants, and preferred stock (1)

    -       -       -       -  

Weighted average common shares outstanding - diluted

    6,396,221       4,031,356       5,046,227       3,998,887  
                                 

Net (loss) from continuing operations attributable to common stockholders per common share – basic and diluted

    (0.36 )     (0.68 )     (1.74 )     (2.26 )

Net (loss) from discontinued operations attributable to common stockholders per common share – basic and diluted

    (0.13 )     (0.10 )     (0.34 )     (0.37 )

(Loss) per common share - basic and diluted

  $ (0.48 )   $ (0.78 )   $ (2.08 )   $ (2.63 )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
    Three and Nine Months Ended
September 30,
 
   

2024

   

2023

 

Options

    45,191       48,225  

Warrants

    2,750,428       1,807,020  

Preferred stock: Series B

    16       16