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STOCKHOLDERS' EQUITY (Preferred Stock Series A) (Details)
1 Months Ended 12 Months Ended
Jul. 07, 2015
$ / shares
shares
Jan. 24, 2013
shares
Feb. 02, 2012
USD ($)
$ / shares
Dec. 29, 2010
USD ($)
$ / shares
shares
Jan. 31, 2014
Nov. 30, 2011
USD ($)
Dec. 31, 2015
Director
$ / shares
shares
Dec. 31, 2014
$ / shares
shares
Dec. 31, 2013
Jun. 30, 2015
$ / shares
Feb. 27, 2015
$ / shares
Jan. 15, 2015
$ / shares
Oct. 22, 2014
$ / shares
Oct. 21, 2014
$ / shares
Jan. 31, 2013
$ / shares
Class of Stock [Line Items]                              
Preferred stock, shares authorized             15,000,000 15,000,000              
Private placement, net, shares 1,500,000 1,383,333                          
Common stock warrant, exercise price (in usd per share) | $ / shares $ 6.50   $ 15.00       $ 10.25 $ 10.25   $ 7.56 $ 7.56 $ 9.59 $ 10.86 $ 11.73 $ 12.96
Proceeds from issuance of common stock and convertible notes | $       $ 6,000,000                      
Stock issuance costs | $     $ 1,330,000                        
Minimum                              
Class of Stock [Line Items]                              
Number of directors | Director             2                
Common Stock                              
Class of Stock [Line Items]                              
Private placement, net, shares [1]             5,047,411 730,776              
Preferred stock revaluation | $           $ 300,000                  
Series A Preferred Stock                              
Class of Stock [Line Items]                              
Common stock warrant, exercise price (in usd per share) | $ / shares       $ 2.32                      
Convertible notes, common stock callable (in shares)       1,293,102                      
Stock issuance costs | $       $ 200,000                      
Series A Preferred Stock | Preferred Stock                              
Class of Stock [Line Items]                              
Conversion ratio         0.3333       4            
Preferred stock, shares authorized             3,879,307                
Private placement, net, shares       2,586,205                      
Common stock warrant, exercise price (in usd per share) | $ / shares       $ 2.32                      
Preferred stock, dividend rate, percentage             10.00%                
Preferred stock, dividend rate, compound percentage maximum             50.00%                
[1] The common stock shares and additional paid-in capital for all periods presented reflect the one-for-twelve reverse stock split which took effect on January 27, 2014.