STOCKHOLDERS' EQUITY (Details 2) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Stockholders Equity Details Rsu And Stock Option Activity [Line Items]
Unvested, Weighted Average Fair Value	$ 4.06	$ 0
Options Granted, Weighted Average Exrecise Price	1.69	3.27
Options Excercised, Weighted Average Exrecise Price	1.73	3.21
Options Forfeited, Weighted Average Exercise Price	0	0
Options Expired, Weighted Average Exercise Price	0	0
Unvested, Weighted Average Fair Value	$ 0	$ 4.06
Employee Stock Option [Member]
Stockholders Equity Details Rsu And Stock Option Activity [Line Items]
Options, Outstanding (in Shares)	5,346,854	3,192,849
Options, Granted (in Shares)	1,922,000	2,653,630
Options, Excercised (in shares)	(635,350)	(20,012)
Options, Forfeited (in Shares)	(1,644,516)	(372,724)
Options, Expired (in Shares)		(106,889)
Options, Outstanding (in Shares)	4,988,988	5,346,854
Options, Exercisable (in shares)	3,733,767
Unvested, Weighted Average Fair Value	$ 1.70	$ 3.81
Options Granted, Weighted Average Exrecise Price	1.64	2.98
Options Excercised, Weighted Average Exrecise Price	0.50	0.99
Options Forfeited, Weighted Average Exercise Price	4.92	3.92
Options Expired, Weighted Average Exercise Price		88.73
Unvested, Weighted Average Fair Value	1.56	1.70
Options Exercisable, weighted average exercise price	1.34
Options Exercised, Exercise Price Range		0.99
Options Outstanding, Weighted Average Grant Date Fair Value	1.95	1.67
Options Granted, Weighted Average Grant Date Fair Value	1.24	2.36
Options Excercised, Weighted Average Grant Date Fair Value	0	1.47
Options Forfeited, Weighted Average Grant Date Fair Value	0	2.95
Options Expired, Weighted Average Grant Date Fair Value		0
Options outstanding, Weighted Average Grant Date Fair Value	1.97	$ 1.95
Options Exercisable, Weighted Average Grant Date Fair Value	$ 1.66
Options Outstanding, Aggregate Intrinsic Value (in Dollars)	$ 3,266	$ 4,940
Options Granted, Aggregate Intrinsic Value (in Dollars)	0	0
Options Exercised, Aggregate Intrinsic Value (in Dollars)	194	38
Options Forfeited, Aggregate Intrinsic Value (In Dollars)	0	0
Options Expired, Aggregate Intrinsic Value (in Dollars)		0
Options Outstanding, Aggregate Intrinsic Value (in Dollars)	527	$ 3,266
Options Excercisable, Aggregate Intrinsic Value (in Dollars)	$ 526
Employee Stock Option [Member] | Minimum [Member]
Stockholders Equity Details Rsu And Stock Option Activity [Line Items]
Options Outstanding, Exercise Price Range	$ 0.04	$ 0.04
Options Granted, Exercise Price Range	0.69	2.38
Options Exercised, Exercise Price Range	0.04
Options Forfeited, Exercise Price Range	2.38	0.99
Options Expired, Exercise Price Range		0.04
Options Outstanding, Exercise Price Range	0.04	0.04
Options Exercisable, Exercise Price Range	0.04
Employee Stock Option [Member] | Maximum [Member]
Stockholders Equity Details Rsu And Stock Option Activity [Line Items]
Options Outstanding, Exercise Price Range	4.00	5,648.40
Options Granted, Exercise Price Range	2.20	4.00
Options Exercised, Exercise Price Range	0.71
Options Forfeited, Exercise Price Range	4.00	4.00
Options Expired, Exercise Price Range		5,648.40
Options Outstanding, Exercise Price Range	4.00	$ 4.00
Options Exercisable, Exercise Price Range	$ 4.00