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COMMON STOCK, PREFERRED STOCK AND WARRANTS WITH-DOWN ROUND PROTECTION (Warrants with down round protection) (Details) - $ / shares
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Aug. 29, 2014
Warrant [Member]        
Class of Warrant or Right [Line Items]        
Number of warrants exchanged   1,440,880    
Series A Warrants [Member]        
Class of Warrant or Right [Line Items]        
Warrants term 5 years      
Warrant exercise price $ 6.96     $ 5.80
Number of warrants exercisable 491,006 380,953 1,539,364  
Series B-1 Warrant [Member]        
Class of Warrant or Right [Line Items]        
Warrants term     5 years  
Warrant exercise price     $ 5.80  
Number of warrants exchanged   1,200,710    
Series B-2 Warrant [Member]        
Class of Warrant or Right [Line Items]        
Warrants term     5 years  
Warrant exercise price     $ 10.00  
Number of warrants exchanged   1,200,710