Accounts Receivable - Schedule of Accounts Receivable, Net (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 5,749,664	$ 7,491,503
Less: allowance for doubtful accounts	(15,989)	(33,120)
Accounts receivable, total	5,733,675	7,458,383
Accounts Receivable
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	5,749,660	7,491,397
Unbilled Receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts receivable gross	$ 4	$ 106