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STOCKHOLDERS' EQUITY (Preferred Stock Induced Conversions) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Aug. 25, 2017
Class of Stock [Line Items]            
Preferred stock, shares authorized (in shares) 15,000,000   15,000,000   15,000,000  
Preferred stock, par value (in dollars per share) $ 0.01   $ 0.01   $ 0.01  
Conversion of convertible debt into common stock     $ 2,176 $ 7,390    
Deemed dividend $ 0 $ 0 $ 0 $ 0    
Number of shares converted (in shares)   0        
Preferred stock, shares outstanding (in shares) 47   47   47  
Preferred stock, shares issued (in shares) 47   47   47  
Preferred Class B            
Class of Stock [Line Items]            
Preferred stock, shares authorized (in shares) 6,900   6,900   6,900 6,900
Preferred stock, par value (in dollars per share)           $ 0.01
Number of shares converted (in shares) 0 0 0 0    
Preferred stock, shares outstanding (in shares) 47   47   47  
Preferred stock, shares issued (in shares) 6,900   6,900   6,900