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4. ACCRUED EXPENSES (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued vacation $ 151,843 $ 152,051
Accrued interest 174,506 175,953
Accrued rent 75,501 77,164
Accrued loss contingency 0 44,423
Other accrued expense 75,837 2,333
Total accrued expenses $ 477,687 $ 451,924