STOCK BASED COMPENSATION (Details 1) (USD $)	6 Months Ended
	Jun. 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)	1,436,669
Number of Underlying Shares, Forfeited (in shares)	(69,236)
Number of Underlying Shares, Exercised (in shares)	(40,000)
Number of Underlying Shares, Outstanding as of June 30, 2014 (in shares)	3,610,152
Number of Underlying Shares, Exercisable as of June 30, 2014 (in shares)	1,413,969
Number of Underlying Shares, Vested and expected to vest (in shares)	3,326,450	[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)	$ 1.46
Weighted-Average Exercise Price Per Share, Forfeited (in dollars per share)	$ 4.64
Weighted-Average Exercise Price Per Share, Exercised (in dollars per share)	$ 1.25
Weighted-Average Exercise Price Per Share, Outstanding as of June 30, 2014 (in dollars per share)	$ 3.28
Weighted-Average Exercise Price Per Share, Exercisable as of June 30, 2014 (in dollars per share)	$ 4.50
Weighted-Average Exercise Price Per Share, Vested and expected to vest (in dollars per share)	$ 3.34	[1]
Weighted-Average Contractual Life Remaining in Years, Outstanding as of June 30, 2014	8 years 3 months 25 days
Weighted-Average Contractual Life Remaining in Years, Exercisable as of as of June 30, 2014	6 years 7 months 17 days
Weighted-Average Contractual Life Remaining in Years, Vested and expected to vest	8 years 2 months 19 days	[1]
Aggregate Intrinsic Value, Outstanding as of January 1, 2014	$ 282,063
Aggregate Intrinsic Value, Forfeited (in dollars)	450
Aggregate Intrinsic Value, Exercised (in dollars)	14,400
Aggregate Intrinsic Value, Outstanding as of June 30, 2014	561,650
Aggregate Intrinsic Value, Exercisable as of June 30, 2014	88,150
Aggregate Intrinsic Value, Vested and expected to vest (1)	$ 508,716	[1]

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