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STOCKHOLDERS' EQUITY (Series A Conversion Warrants) (Details) - shares
1 Months Ended
Aug. 31, 2017
Dec. 31, 2019
Class of Stock [Line Items]    
Underlying shares (in shares)   909,189
Series A Conversion Warrants [Member]    
Class of Stock [Line Items]    
Class of warrant or right, term 5 years