Quarterly report pursuant to Section 13 or 15(d)

2019 REGISTERED DIRECT OFFERING - Additional information (Details)

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2019 REGISTERED DIRECT OFFERING - Additional information (Details) - USD ($)
3 Months Ended
May 14, 2019
May 13, 2019
May 12, 2019
Dec. 31, 2020
Dec. 31, 2019
Jul. 02, 2018
Feb. 24, 2017
Derivative Liability $ 1,628,113         $ 2,397,454 $ 2,996,110
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)       $ 108,944 $ (40,187)    
Class Of Series H Warrant [Member]              
Stock Issued During Period, Shares, New Issues       0 0    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights       8,615,384      
Registered Direct Offering 2019 [Member]              
Stock Issued During Period, Shares, New Issues 8,615,384   8,615,384        
Shares Issued, Price Per Share     $ 0.325        
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 0.40        
Proceeds from Subscribed but Unissued Common Stock and Warrants     $ 2,800,000 $ 2,748,821      
Payments of Stock Issuance Costs     $ 51,200        
Cash Price Per Each Common Stock Underlying Warrants   $ 0.0533   0.0533      
Allocation Of Remaining Proceeds To Common Stock Subscribed and Unissued       1,120,708      
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Period Increase (Decrease)       $ 108,944 $ (40,187)