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STOCK BASED COMPENSATION (Schedule of Stock Option and Warrant Outstanding and Exercisable) (Details) - Non Qualified Stock Options And Warrants [Member] - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Number of Shares    
Outstanding 16,302,517  
Granted 592,500  
Expired (2,941,199)  
Forfeited (8,750)  
Outstanding 13,945,068 16,302,517
Exercisable 13,459,872  
Exercise Price    
Outstanding (Lower Limit)   $ 0.57
Outstanding (Upper Limit) $ 1.69 1.69
Granted (Lower Limit) 0.51  
Granted (Upper Limit) 0.83  
Expired (Lower Limit) 0.85  
Expired (Upper Limit) 1.02  
Forfeited 1.10  
Outstanding (Lower Limit) 0.51  
Outstanding (Upper Limit) 1.69 1.69
Exercisable (Lower Limit) 0.51  
Exercisable (Upper Limit) 1.69  
Weighted Average Exercise Price    
Outstanding 0.85  
Granted 0.76  
Expired 0.90  
Forfeited 1.10  
Outstanding 0.83 $ 0.85
Exercisable $ 0.83