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Note 5 - Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

As of

 
  

March 31, 2022

  

December 31, 2021

 

Leasehold improvements

 $2,420,028  $2,420,028 

Computer equipment

  473,386   511,062 

Furniture and fixtures

  377,859   377,859 

Operating lease right-of-use assets

  3,678,647   3,678,647 
   6,949,920   6,987,596 

Less - accumulated depreciation and amortization

  (4,711,489)  (4,621,639)

Property, plant and equipment, net

 $2,238,431  $2,365,957