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STOCKHOLDERS' EQUITY (Issuance of Series B Preferred Stock) (Details)
$ / shares in Units, $ in Thousands
 3 Months Ended
Jan. 06, 2016
shares
Jul. 07, 2015
$ / shares
shares
Mar. 05, 2014
USD ($)
$ / shares
shares
Mar. 31, 2016
USD ($)
$ / shares
shares
Dec. 31, 2015
$ / shares
Jan. 24, 2013
$ / shares
shares
Class of Stock [Line Items]            
Private placement, net (in shares) | shares 6,780,179 1,500,000        
Preferred stock, par value (in dollars per share)       $ 0.01 $ 0.01  
Share price (in dollars per share)   $ 1.42   $ 0.58    
Private placement, net | $       $ 543    
Series B preferred stock            
Class of Stock [Line Items]            
Conversion ratio 1          
Preferred stock            
Class of Stock [Line Items]            
Private placement, net (in shares) | shares       2,365,243    
Private placement, net | $       $ 24    
Third Security LLC and affiliates            
Class of Stock [Line Items]            
Common stock warrant, exercise price (in dollars per share)     $ 11.73     $ 12.96
Common stock warrant, common stock called (in shares) | shares     1,212,665     1,097,600
Third Security LLC and affiliates | Preferred stock | Series B preferred stock            
Class of Stock [Line Items]            
Private placement, net (in shares) | shares     1,443,297      
Preferred stock, par value (in dollars per share)     $ 0.01      
Share price (in dollars per share)     $ 4.85      
Private placement, net | $     $ 7,000      
Conversion ratio     1