STOCKHOLDERS' EQUITY (Details 3) (USD $)	12 Months Ended
	Dec. 31, 2012
$ 1.33 - $ 1.37
Exercise Price Range
Exercise price, low end of range (in dollars per share)	$ 1.33
Exercise price, high end of range (in dollars per share)	$ 1.37
Options Outstanding
Number of Shares	27,000
Weighted Average Exercise Price Per Share (in dollars per share)	$ 1.35
Weighted Average Remaining Contractual Life	9 years 5 months 23 days
$ 1.41 - $ 1.41
Exercise Price Range
Exercise price, low end of range (in dollars per share)	$ 1.41
Exercise price, high end of range (in dollars per share)	$ 1.41
Options Outstanding
Number of Shares	4,664,229
Weighted Average Exercise Price Per Share (in dollars per share)	$ 1.41
Weighted Average Remaining Contractual Life	9 years 4 months 2 days
$ 1.42 - $ 3.98
Exercise Price Range
Exercise price, low end of range (in dollars per share)	$ 1.42
Exercise price, high end of range (in dollars per share)	$ 3.98
Options Outstanding
Number of Shares	4,478,988
Weighted Average Exercise Price Per Share (in dollars per share)	$ 2.51
Weighted Average Remaining Contractual Life	6 years 10 months 6 days
$ 4.30 - $ 11.07
Exercise Price Range
Exercise price, low end of range (in dollars per share)	$ 4.30
Exercise price, high end of range (in dollars per share)	$ 11.07
Options Outstanding
Number of Shares	8,641,289
Weighted Average Exercise Price Per Share (in dollars per share)	$ 6.28
Weighted Average Remaining Contractual Life	3 years 4 months 13 days
$ 1.33 - $ 11.07
Exercise Price Range
Exercise price, low end of range (in dollars per share)	$ 1.33
Exercise price, high end of range (in dollars per share)	$ 11.07
Options Outstanding
Number of Shares	17,811,506
Weighted Average Exercise Price Per Share (in dollars per share)	$ 4.05
Weighted Average Remaining Contractual Life	5 years 9 months 25 days