Quarterly report pursuant to Section 13 or 15(d)

4. ACCRUED EXPENSES (Tables)

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4. ACCRUED EXPENSES (Tables)
6 Months Ended
Jun. 30, 2017
Payables and Accruals [Abstract]  
Accrued expenses
    June 30, 2017     December 31, 2016  
             
Accrued payroll expenses   $ 236,941     $ 208,126  
Other accrued liabilities     278,207       170,092  
    $ 515,148     $ 378,218