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Note 2 - Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2022
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
  

For the Three Months Ended September 30,

  

For the Nine Months Ended September 30,

 
  

2022

  

2021

  

2022

  

2021

 
                 

Common Stock Warrants

  2,000,000   2,000,000   2,000,000   2,000,000 

Placement Agent Warrants

  80,000   80,000   80,000   80,000 

Series A Warrants

  14,450,069      14,450,069    

Unvested Common Stock Grants

  577,563   401,167   577,563   401,167 
                 

Total potentially dilutive shares

  17,107,632   2,481,167   17,107,632   2,481,167