Annual report pursuant to Section 13 and 15(d)

FAIR VALUE (Details)

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FAIR VALUE (Details) - shares
Dec. 31, 2020
Aug. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights 17,456,266  
August 2014 Public Offering Warrants [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   49,425