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3. ACCOUNTS RECEIVABLE, AND DEFERRED REVENUE (Tables)
12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Accounts receivable

At December 31, 2018 and 2017, accounts receivables were as follows:

 

    December 31, 2018     December 31, 2017  
Accounts receivable   $ 1,290,702     $ 5,946  
Less: Allowance for doubtful accounts            
Accounts receivable, Net   $ 1,290,702     $ 5,946