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Accounts Receivable (Details) - USD ($)
Jun. 30, 2022
Dec. 31, 2021
Accounts Receivable    
Accounts receivable $ 50,157,127 $ 48,680,634
Allowance for doubtful accounts (3,145,561) (3,717,708)
Accounts receivable, net $ 47,011,566 $ 44,962,926