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13. STOCK-BASED COMPENSATION (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share-based Payment Arrangement [Abstract]        
Common stock available for grant 509,648   509,648  
Compensation costs for options granted $ 0 $ 45,900 $ 0 $ 45,900
Aggregate intrinsic value of options outstanding and exercisable 10,710   10,710  
Aggregate intrinsic value of options exercised $ 0 $ 0 $ 0 $ 922,429