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Note 4 - Property, Plant and Improvements, Net (Tables)
9 Months Ended
Sep. 30, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

September 30,

 
  

2021

 
     

Computers and equipment

 $62,574 

Furniture and fixtures

  32,900 

Leasehold improvements

  19,208 
   114,682 

Less: accumulated depreciation and amortization

  10,857 
     

Net property and equipment

 $103,825