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ACCOUNTS PAYABLE AND ACCRUED EXPENSES
6 Months Ended
Jun. 30, 2016
ACCOUNTS PAYABLE AND ACCRUED EXPENSES [Abstract]  
ACCOUNTS PAYABLE AND ACCRUED EXPENSES
4. ACCOUNTS PAYABLE AND ACCRUED EXPENSES

Accounts payable and accrued expenses consisted of the following:

  
June 30,
2016
  
December 31,
2015
 
Trade accounts payable and accrued expenses
 
$
332,069
  
$
372,367
 
Accrued legal and other professional fees
  
59,182
   
74,138
 
Accrued payroll and related costs
  
196,190
   
164,504
 
Total
 
$
587,441
  
$
611,009