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Note 6 - Net Income (Loss) Per Share (Tables)
6 Months Ended
Jun. 30, 2023
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
  

Three Months Ended June 30,

  

Six Months Ended June 30,

 
  

2023

  

2022

  

2023

  

2022

 

Numerator:

                

Numerator for basic and diluted income (loss) per share, net income (loss) available to common shareholders

 $205,041  $(1,940,345) $219,874  $(3,562,615)

Denominator:

                

Denominator for basic income (loss) per share, weighted average shares outstanding

  20,128,429   20,316,572   20,125,440   20,298,573 

Effect of dilutive securities

  6,284,900      6,284,900    

Denominator for diluted earnings per share, adjust weighted average shares and assumed conversion

  26,413,329   20,316,572   26,410,340   20,298,573 

Basic income (loss) per common share

 $0.01  $(0.10) $0.01  $(0.18)

Diluted income (loss) per common share and common share equivalent

 $0.01  $(0.10) $0.01  $(0.18)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Six Months Ended June 30,

 
  

2023

  

2022

 

Anti-dilutive awards and options

     5,159,902