Accounts Receivable - Schedule of Accounts Receivable, Net (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 6,554,906	$ 7,491,503
Less: allowance for doubtful accounts	(27,797)	(33,120)
Accounts receivable, total	6,527,109	7,458,383
Accounts Receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	6,554,902	7,491,397
Unbilled Receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 4	$ 106