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Note 4 - Property and Equipment
12 Months Ended
Dec. 31, 2020
Notes to Financial Statements  
Property, Plant and Equipment Disclosure [Text Block]
Note
4.
Property and Equipment
 
Property and equipment consisted of the following at
December 31:
 
   
2020
   
2019
 
Software
  $
5,724,971
    $
4,951,648
 
Equipment
   
2,137,364
     
891,838
 
Furniture and fixtures
   
492,347
     
444,576
 
Leasehold improvements
   
170,583
     
170,583
 
Total property and equipment
   
8,525,265
     
6,458,645
 
Less: accumulated depreciation
   
(5,419,339
)    
(4,901,124
)
Net property and equipment
  $
3,105,926
    $
1,557,521