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ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)
3 Months Ended
Mar. 31, 2019
Payables and Accruals [Abstract]  
Schedule of accounts payable and accrued expenses

Accounts payable and accrued expenses consisted of the following as of March 31, 2019 and December 31, 2018:

 

    2019     2018  
             
Trade payables   $ 330,963     $ 401,272  
Accrued interest     460,334       401,667  
Accrued payroll and related obligations     236,688       260,153  
Operating lease liabilities     267,960        
Other accrued expenses     266,983       239,134  
    $ 1,562,928     $ 1,302,226