STOCKHOLDERS' EQUITY (Details) - Employee Stock Option [Member] - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2016	Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of Options, Outstanding at Beginning of Year	3,712,000
Number of Options, Grants	0
Number of Options, Exercised	0
Number Of Option, Forfeited/cancelled/expired	(12,000)
Number of Options, Balance at End of Year	3,700,000	3,712,000
Number of Options, Vested and expected to vest	3,589,000
Number of Options, Unvested	756,000
Number of Options, Exercisable	2,944,000
Weighted-Average Exercise Price, Outstanding at Beginning of Year (in dollars per share)	$ 2.06
Weighted-Average Exercise Price, Grants (in dollars per share)	0
Weighted-Average Exercise Price, Exercised (in dollars per share)	0
Weighted-Average Exercise Price, Forfeited/cancelled/expired (in dollars per share)	10.66
Weighted-Average Exercise Price, Balance at End of Year (in dollars per share)	2.03	$ 2.06
Weighted-Average Exercise Price, Vested and expected to vest (in dollars per share)	2.02
Weighted-Average Exercise Price, Unvested (in dollars per share)	2.45
Weighted-Average Exercise Price, Exercisable (in dollars per share)	$ 1.93
Weighted-Average Remaining Contractual Term, Outstanding (in years)	4 years 8 months 19 days	5 years 2 months 12 days
Weighted-Average Remaining Contractual Term, Vested and expected to vest (in years)	4 years 7 months 6 days
Weighted-Average Remaining Contractual Term, Unvested (in years)	8 years 9 months
Weighted-Average Remaining Contractual Term, Exercisable (in years)	3 years 8 months 5 days
Aggregate Intrinsic Value, Outstanding at Beginning of Year	$ 733,000
Aggregate Intrinsic Value, Outstanding at End of Year	4,712,000	$ 733,000
Aggregate Intrinsic Value, Vested and expected to vest	4,632,000
Aggregate Intrinsic Value, Unvested	562,000
Aggregate Intrinsic Value, Exercisable	$ 4,151,000