STOCK BASED COMPENSATION (Details 1) (USD $)	9 Months Ended
	Sep. 30, 2014
Share Based Compensation Stock Options Activity [Line Items]
Number of Underlying Shares, Outstanding as of January 1, 2014 (in shares)	2,282,719
Number of Underlying Shares, Granted (in shares)	2,081,669
Number of Underlying Shares, Forfeited (in shares)	(740,156)
Number of Underlying Shares, Exercised (in shares)	(160,000)
Number of Underlying Shares, Outstanding as of September 30, 2014 (in shares)	3,464,232
Number of Underlying Shares, Exercisable as of September 30, 2014 (in shares)	1,347,215
Number of Underlying Shares, Vested and expected to vest (in shares)	3,190,856	[1]
Weighted-Average Exercise Price Per Share, Outstanding as of January 1, 2014 (in dollars per share)	$ 4.43
Weighted-Average Exercise Price Per Share, Granted (in dollars per share)	$ 1.53
Weighted-Average Exercise Price Per Share, Forfeited (in dollars per share)	$ 4.36
Weighted-Average Exercise Price Per Share, Exercised (in dollars per share)	$ 1.20
Weighted-Average Exercise Price Per Share, Outstanding as of September 30, 2014 (in dollars per share)	$ 3.10
Weighted-Average Exercise Price Per Share, Exercisable as of September 30, 2014 (in dollars per share)	$ 4.49
Weighted-Average Exercise Price Per Share, Vested and expected to vest (in dollars per share)	$ 3.17	[1]
Weighted-Average Contractual Life Remaining in Years, Outstanding as of September 30, 2014	8 years 2 months 16 days
Weighted-Average Contractual Life Remaining in Years, Exercisable as of as of September 30, 2014	6 years 5 months 19 days
Weighted-Average Contractual Life Remaining in Years, Vested and expected to vest	8 years 1 month 10 days	[1]
Aggregate Intrinsic Value, Outstanding as of January 1, 2014	$ 282,063
Aggregate Intrinsic Value, Forfeited (in dollars)	21,540
Aggregate Intrinsic Value, Exercised (in dollars)	69,388
Aggregate Intrinsic Value, Outstanding as of September 30, 2014	117,267
Aggregate Intrinsic Value, Exercisable as of September 30, 2014	15,856
Aggregate Intrinsic Value, Vested and expected to vest (1)	$ 108,485	[1]

[1] vested shares and unvested shares after a forfeiture rate is applied