XML 50 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Summary of Significant Accounting Policies - Schedule of Changes in Contract Assets and Liabilities (Details) - USD ($)
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Accounting Policies [Abstract]    
Unbilled Accounts receivables, balance at beginning of period $ 23,371 $ 65,118
Unbilled Accounts receivables, Addition from acquisition 276,023
Unbilled Accounts receivables, revenue recognized in advance of billings 602,692 133,505
Unbilled Accounts receivables, billings (398,444) (163,271)
Unbilled Accounts receivables, balance at end of period 503,642 35,352
Deferred revenue, balance at beginning of period 754,073 723,619
Deferred revenue, Addition from acquisition 198,659
Deferred revenue, billings 2,215,742 2,010,090
Deferred revenue, recognized revenue (2,146,222) (2,060,993)
Deferred revenue, balance at end of period $ 1,022,252 $ 672,716