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Note 5 - Property, Plant and Improvements, Net (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Property, Plant and Equipment [Table Text Block]
   
2019
   
2018
 
Leasehold improvements
  $
166,163
    $
166,163
 
Furniture and equipment
   
17,668
     
17,668
 
Accumulated depreciation
   
(35,706
)    
(17,322
)
                 
Net property, plant and improvements
  $
148,125
    $
166,509