Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

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SUBSEQUENT EVENTS (Details) - USD ($)
Feb. 17, 2021
Feb. 12, 2021
Dec. 31, 2020
Oct. 16, 2019
Placement Agent Warrants [Member]        
Subsequent Event [Line Items]        
Warrants issued to purchase shares     1,071,429 1,071,429
Subsequent Event [Member]        
Subsequent Event [Line Items]        
Stock issued during period, shares, new issues   43,125,004    
Subsequent Event [Member] | Series K Warrant        
Subsequent Event [Line Items]        
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 0.17    
Warrant exercise term   5 years 6 months    
Proceeds from issuance of common stock $ 6,900,000      
Financing costs $ 700,000      
Subsequent Event [Member] | Placement Agent Warrants [Member]        
Subsequent Event [Line Items]        
Share price   $ 0.16    
Proceeds from issuance of common stock   $ 6,900,000    
Warrants issued to purchase shares   32,343,753    
Subsequent Event [Member] | Placement Agent 2 Warrants        
Subsequent Event [Line Items]        
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 0.20    
Warrants issued to purchase shares   3,234,375