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SHAREHOLDERS' EQUITY (DEFICIT) (Details)
$ / shares in Units, $ in Thousands
Mar. 01, 2015
Jan. 24, 2015
USD ($)
$ / shares
shares
SHAREHOLDERS' Equity (Deficit)    
Stock split ratio 7.75  
Series E preferred stock    
SHAREHOLDERS' Equity (Deficit)    
Proceeds from Issuance of Convertible Preferred Stock | $   $ 11,406
Convertible Preferred Stock issued (in shares) | shares   1,445,966
Share Price (in dollars per share)   $ 8.49