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Note 9 - Private Placement (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Schedule of Stockholders Equity [Table Text Block]
      

Additional

     
  

Common

  

Paid-In

     
  

Stock

  

Capital

  

Total

 

Unregistered shares

 $14,000  $2,142,000  $2,156,000 

Warrants

  -   644,000   644,000 

Total

 $14,000  $2,786,000  $2,800,000