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Note 4 - Accrued Expenses (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]
   

June 30, 2021

   

December 31, 2020

 
                 

Accrued commissions

  $ 688,394     $ 373,154  

Reserve for merchant losses

    575,149       515,199  

Other accrued expenses

    168,820       225,412  

Accrued taxes

    198,223       132,363  

Accrued salaries

    216,798       217,816  

Total accrued expenses

  $ 1,847,384     $ 1,463,944