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4. ACCRUED EXPENSES (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
Payables and Accruals [Abstract]    
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