Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable - Schedule of Accounts Receivable, Net (Details)

v3.21.1
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