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Note 7 - Warrants and Registration Rights Agreements (Tables)
6 Months Ended
Jun. 30, 2023
Warrants and Rights Note Disclosure [Abstract]  
Summary of warrants

 

 

Shares Underlying

 

 

  Weighted Average  

 



 

 

 

Warrants

 

 

Exercise Price

 



Outstanding, December 31, 2022

 

 

4,500,000

 

 

$

0.01

 



Granted

 

 

-

 

 

 

-

 



Canceled / Expired

 

 

-

 

 

-

 



Exercised

 

 

-

 

 

-

 



Outstanding, June 30, 2023

 

 

4,500,000

 

 

$

0.01