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4. ACCRUED EXPENSES (Tables)
6 Months Ended
Jun. 30, 2020
Payables and Accruals [Abstract]  
Accrued expense schedule

The major components of accrued expenses are summarized as follows:

 

    June 30,     December 31,  
    2020     2019  
Lease liability   $ 87,291     $ 349,160  
Accrued vacation     204,280       175,231  
Accrued salaries     162,334       75,829  
Accrued interest     565       48,884  
Other accrued expense     106,176       5,171  
Total accrued expenses   $ 560,646     $ 654,275