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STOCKHOLDERS' EQUITY (Series C Warrants) (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2018
Sep. 30, 2018
Sep. 30, 2018
Feb. 28, 2018
Nov. 30, 2017
Class of Stock [Line Items]          
Underlying shares (in shares)   9,261,896 9,261,896    
Warrants exercised     300,000    
Series C Warrants [Member]          
Class of Stock [Line Items]          
Underlying shares (in shares)         1,962,857
Exercise price (in dollars per share)         $ 1.63
Purchase Agreement 2018 [Member] | Series C Warrants [Member]          
Class of Stock [Line Items]          
Exercise price (in dollars per share)   $ 0.75 $ 0.75 $ 1.04  
Deemed dividend     $ 58,000    
Note Agreement 2018 [Member]          
Class of Stock [Line Items]          
Exercise price (in dollars per share) $ 0.30        
Deemed dividend $ 10,000        
Note Agreement 2018 [Member] | Series C Warrants [Member]          
Class of Stock [Line Items]          
Exercise price (in dollars per share) $ 0.30        
Deemed dividend $ 45,000        
Warrants exercised   517,300 1,587,300    
Proceeds from issuance of warrants   $ 155,000 $ 476,000    
Intrinsic value of warrants exercised in period   $ 92,000 $ 294,000