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Accounts Receivable - Accounts Receivable (Details) - USD ($)
Jun. 30, 2021
Dec. 31, 2020
Receivables [Abstract]    
Accounts receivable $ 2,913,310 $ 3,989,200
Expected credit losses (55,273) (55,660)
Net accounts receivable $ 2,858,037 $ 3,933,540