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STOCKHOLDERS' EQUITY (Preferred Stock Induced Conversions) (Details) - USD ($)
 9 Months Ended
Mar. 21, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Class of Stock [Line Items]        
Preferred stock, shares authorized (in shares)   15,000,000   15,000,000
Preferred stock, par value (in dollars per share)   $ 0.01   $ 0.01
Long-term debt exchanged for convertible notes   $ 2,108,000    
Warrants exercised   300,000    
Issuance of warrants in conjunction with issuance of side agreement     $ 487,000  
Preferred stock, shares outstanding (in shares)   47   4,935
Preferred stock, shares issued (in shares)   47   4,935
Inducement Agreement 2018 [Member]        
Class of Stock [Line Items]        
Preferred stock, par value (in dollars per share) $ 0.01      
Inducement Agreement 2018 [Member] | Warrants After Conversion Price Reduction [Member]        
Class of Stock [Line Items]        
Warrants, fair value   $ 100,000    
Preferred Stock [Member]        
Class of Stock [Line Items]        
Shares not converted   47    
Preferred Stock [Member] | Inducement Agreement 2018 [Member]        
Class of Stock [Line Items]        
Conversion price (in dollars per share)   $ 0.75   $ 1.04
Shares converted, value   $ 1,100,000    
Warrants, fair value   $ 1,200,000    
Common Stock [Member]        
Class of Stock [Line Items]        
Number of shares converted from debt instrument (in shares)   3,787,300    
Convertible Preferred Stock        
Class of Stock [Line Items]        
Exercise price (in dollars per share) $ 0.75      
Warrants issued during period, maximum allowed percentage of common stock 4.99%      
Convertible Preferred Stock | Preferred Stock Induced Conversions First Investor [Member]        
Class of Stock [Line Items]        
Class of warrant or right, warrants or rights exercised 666,666      
Convertible Preferred Stock | Preferred Stock Induced Conversions Second Investor [Member]        
Class of Stock [Line Items]        
Issuance of warrants in conjunction with issuance of side agreement $ 500,000