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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2020
Receivables [Abstract]  
Schedule of Accounts Receivable
    2020     2019  
             
Accounts receivable   $ 6,161,249     $ 4,740,867  
Allowances for doubtful accounts     (271,436 )     (270,652 )
    $ 5,889,813     $ 4,470,215