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5. PROPERTY AND EQUIPMENT (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Abstract]        
Depreciation expense $ 600,000 $ 600,000 $ 1,800,000 $ 1,900,000