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REVENUE (Details - Contract liabilities)
9 Months Ended
Sep. 30, 2021
USD ($)
Revenue from Contract with Customer [Abstract]  
Beginning balance $ 0
Additions through advance billings to or payments from vendors 0
Additions through business acquisition 4,139,193
Revenue recognized from current period advance billings to or payments from vendors 0
Revenue recognized from amounts acquired through business acquisition 1,439,505
Ending Balance $ 2,699,688