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SUBSEQUENT EVENTS (Details) - USD ($)
1 Months Ended 2 Months Ended 12 Months Ended
Feb. 28, 2021
Feb. 28, 2021
Jan. 31, 2021
Mar. 05, 2021
Dec. 31, 2020
Dec. 31, 2019
Apr. 29, 2020
Apr. 25, 2019
Subsequent Event [Line Items]                
Proceeds from exercise of warrants         $ 2,528,648 $ 0    
Exercise price of warrants or rights (in dollars per share)             $ 0.10 $ 2.13
Proceeds from exercise of stock options         $ 0 30,064    
Subsequent Event                
Subsequent Event [Line Items]                
Proceeds from exercise of warrants       $ 6,700,000        
Warrants exercised in period       11,379,701        
Exercise price of warrants or rights (in dollars per share)       $ 0.5894        
Proceeds from exercise of stock options   $ 76,000            
Exercise of stock options (in shares) 61,681              
Options exercised (in dollars per share) $ 1.23              
Convertible Notes Payable                
Subsequent Event [Line Items]                
Repayments of debt           $ 1,500,000    
Convertible Notes Payable | Subsequent Event                
Subsequent Event [Line Items]                
Repayments of debt     $ 59,000