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Note 7 - Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
  

2021

  

2020

 
         

Accrued commissions

 $879,120  $373,154 

Reserve for processing losses

  623,494   515,199 

Other accrued expenses

  226,888   225,412 

Accrued taxes

  298,168   132,363 

Accrued salaries

  297,995   217,816 

Total accrued expenses

 $2,325,665  $1,463,944