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Note 14 - Earnings Per Share (Tables)
 9 Months Ended
Sep. 30, 2023
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 
  

2023

  

2022

  

2023

  

2022

 
                 

Net income (loss) attributable to common shareholders

 $333,984  $(1,647,272) $(4,388,446) $(5,312,123)
                 

Basic weighted average shares

  5,123,735   4,845,851   4,942,182   4,831,346 
                 

Basic income (loss) per share

 $0.07  $(0.34

)

 $(0.89

)

 $(1.10

)

                 

Diluted weighted average shares

 $6,481,158  $4,845,851  $4,942,182  $4,831,346 
                 

Diluted income (loss) per share

 $0.05  $(0.34

)

 $(0.89

)

 $(1.10

)
Summary of Stock Options and Warrants Outstanding [Table Text Block]
  

Three Months Ended

  

Nine Months Ended

 
  

September 30,

  

September 30,

 
  

2023

  

2022

  

2023

  

2022

 

Weighted average stock options

  650,436   632,426   615,662   600,796 

Weighted average price of stock options

 $4.64  $4.81  $4.64  $4.81 
                 

Weighted average warrants

  2,291,250   1,357,866   2,084,994   1,010,337 

Weighted average price of warrants

 $2.50  $2.47  $2.50  $2.47 
                 

Average price of common stock

 $5.52  $2.92  $4.56  $2.76