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Accrued Expenses (Tables)
12 Months Ended
Dec. 31, 2017
Accrued Expenses [Abstract]  
Schedule of accrued expenses
  December 31, 2017  December 31, 2016 
Accrued salaries and related benefits $62,726  $143,622 
Other payables  103,023   224,773 
  $165,749  $368,395