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Accrued Expenses (Tables)
6 Months Ended
Jun. 30, 2015
Accrued Expenses [Abstract]  
Schedule of accrued epenses
  June 30,
2015
  December 31, 
2014
 
Accrued salaries and related benefits $367,413  $693,700 
Accrued professional fees  11,802   110,921 
Other payables  116,793   254,958 
  $496,008  $1,059,579