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Note 18 - General Administrative (Tables)
12 Months Ended
Dec. 31, 2020
Notes Tables  
Schedule of General and Administrative Expense [Table Text Block]
   
2020
   
2019
 
                 
Professional fees
  $
183,475
    $
209,857
 
Rental
   
119,055
     
93,371
 
Other general and administrative expenses
   
226,178
     
223,686
 
Total general and administrative expenses
  $
528,708
    $
526,914