STOCK-BASED COMPENSATION (Details 2)	Dec. 31, 2015 shares
Common stock reserved for future issuance	15,184,276
Warrants outstanding
Common stock reserved for future issuance	450,000
Common Stock | Convertible Preferred Stock [Member]
Common stock reserved for future issuance	6,488,134
Common Stock | ConvertibleNotesPayableMember
Common stock reserved for future issuance	1,670,735
Common Stock | Stock options outstanding
Common stock reserved for future issuance	5,376,969
Common Stock | Restricted stock grants
Common stock reserved for future issuance
Authorized Future Grant Under Stock Option Plans [Member]
Common stock reserved for future issuance	1,198,438