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Schedule of Changes in Contract Assets and Liabilities (Details) - USD ($)
 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Accounting Policies [Abstract]    
Unbilled Accounts receivables, balance at beginning of period $ 523,522 $ 23,371
Unbilled Accounts receivables, Addition from acquisition 276,023
Unbilled Accounts receivables, revenue recognized in advance of billings 1,944,919 208,404
Unbilled Accounts receivables, billings (1,956,366) (57,558)
Unbilled Accounts receivables, balance at end of period 512,075 450,240
Deferred revenue, balance at beginning of period 996,131 754,073
Deferred revenue, Addition from acquisition 195,448
Deferred revenue, billings 2,141,905 1,482,894
Deferred revenue, recognized revenue (2,195,089) (1,520,617)
Deferred revenue, balance at end of period $ 942,947 $ 911,798