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Note 10 - Earnings (Loss) Per Share - Common Stock ("EPS") (Tables)
3 Months Ended
Mar. 31, 2024
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

Years ended December 31,

 
  

2023

  

2022

 
         

Stock options

  

-

   

-

 

Warrants

  

126,131

   

-

 

Total

  

126,131

   

-

 
  

Three Months ended

 
  

March 31,

 
  

2024

  

2023

 
         

Stock options

  9,236   11,313 

Warrants

  1,722,695   270,672 

Total

  1,731,931   281,985