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Accounts Receivable - Schedule of Accounts Receivable, Net (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 9,123,197	$ 11,681,157
Less: allowance for doubtful accounts	(11,518)	(14,000)
Accounts receivable, total	9,111,679	11,667,157
Accounts Receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	9,122,983	11,655,725
Unbilled Receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 214	$ 25,432

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