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Accounts Receivable, Net (Tables)
12 Months Ended
Dec. 31, 2017
Accounts Receivable, Net [Abstract]  
Schedule of accounts receivable
  2017  2016 
Accounts receivable $34,021  $146,449 
Less: allowance for doubtful accounts  (24,316)  (68,336)
Accounts receivable, net $9,705  $78,113