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Note 3 - Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment [Table Text Block]
  

2021

  

2020

 

Software

 $6,455,040  $5,724,971 

Equipment

  2,418,421   2,137,364 

Furniture and fixtures

  732,153   492,347 

Leasehold improvements

  192,692   170,583 

Total property and equipment

  9,798,306   8,525,265 

Less: accumulated depreciation

  (6,191,149)  (5,419,339)

Net property and equipment

 $3,607,157  $3,105,926