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Note 5 - Accounts Payable and Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
             
   
2020
   
2019
 
                 
Accounts payable
  $
16,670
    $
5,048
 
Accrued fees and expenses
   
15,659
     
383
 
    $
32,329
    $
5,431