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Note 3 - Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2023
Notes Tables  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
    September 30, 2023  
   

(Level 1)

   

(Level 2)

   

(Level 3)

 

Assets

                       

Cash equivalents (money market accounts)

  $ 10,424,675     $ -     $ -  

Total assets measured at fair value

  $ 10,424,675     $ -     $ -  
    December 31, 2022  
   

(Level 1)

   

(Level 2)

   

(Level 3)

 

Assets

                       

Cash equivalents (money market accounts)

  $ 4,093,579     $ -     $ -  

Total assets measured at fair value

  $ 4,093,579     $ -     $ -  
                         

Liabilities

                       

Convertible Notes

  $ -     $ -     $ 12,414,000  

Total liabilities measured at fair value

  $ -     $ -     $ 12,414,000  
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]
   

Nine Months Ended

 
   

September 30, 2023

   

September 30, 2022

 

Beginning balance

  $ 12,414,000     $ 10,025,000  

Fair value adjustment

    (5,424,251 )     2,389,000  

Reclassification to additional paid in capital upon conversion

    (6,989,749 )     -  

Ending balance

  $ -     $ 12,414,000  
   

Three Months Ended

 
   

September 30, 2023

   

September 30, 2022

 

Beginning balance

  $ 11,768,000     $ 12,414,000  

Fair value adjustment

    (4,778,251 )     -  

Reclassification to additional paid in capital upon conversion

    (6,989,749 )     -  

Ending balance

  $ -     $ 12,414,000  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended September 30,

   

Nine Months Ended September 30,

 
   

2023

   

2022

   

2023

   

2022

 
                                 

Numerator:

                               

Net income (loss)

  $ 2,150,362     $ (882,623 )   $ 190,525     $ (4,275,647 )
Change in fair value of convertible notes     (4,778,251 )     -       (5,424,251 )     -  
Adjusted net income (loss)   $ (2,627,889 )   $ (882,623 )   $ (5,233,726 )   $ (4,275,647 )

Denominator

                               

Weighted average shares outstanding, basic

    3,308,302       518,140       1,458,415       518,140  

Weighted average convertible notes before conversion

    458,398       -       750,992       -  

Weighted average shares outstanding, diluted

    3,766,700       518,140       2,209,407       518,140  

Net income (loss), basic

  $ 0.65     $ (1.70 )   $ 0.13     $ (8.25 )

Net income (loss), dilutive

  $ (0.70 )   $ (1.70 )   $ (2.37 )   $ (8.25 )
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   

Three and Nine Months

Ended September 30,

 
   

2023

   

2022

 
                 

Preferred Series A-1

    -       1,960,600  

Preferred Series A-2

    -       335,711  

Preferred Series B

    -       1,034,890  

Warrants

    598,457       43,618  

Stock options

    329,340       141,831  

Total

    927,797       3,516,650