STOCKHOLDERS' EQUITY (Schedule of Options Outstanding and Exercisable by Range of Exercise Price) (Details) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding - Number of Shares	3,059
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	2 years 8 months 4 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.57
Options Exercisable - Number of Shares	3,038	3,600	6,200
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.58
Range of Exercise Price 2.13-2.66 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 2.13
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 2.66
Options Outstanding - Number of Shares	16
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	8 months 4 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 2.18
Options Exercisable - Number of Shares	15
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 2.18
Range of Exercise Price 3.24-3.24 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 3.24
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 3.24
Options Outstanding - Number of Shares	395
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 3 months 14 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 3.24
Options Exercisable - Number of Shares	395
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 3.24
Range of Exercise Price 3.26-3.93 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 3.26
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 3.93
Options Outstanding - Number of Shares	322
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	1 year 10 months 24 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 3.43
Options Exercisable - Number of Shares	322
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 3.43
Range of Exercise Price 3.97-4.23 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 3.97
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.23
Options Outstanding - Number of Shares	396
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	2 years 9 months 10 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.19
Options Exercisable - Number of Shares	376
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.19
Range of Exercise Price 4.35-4.70 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 4.35
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.7
Options Outstanding - Number of Shares	308
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	4 years 25 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.42
Options Exercisable - Number of Shares	308
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.42
Range of Exercise Price 4.74-4.74 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 4.74
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.74
Options Outstanding - Number of Shares	402
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	2 years 7 months 13 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.74
Options Exercisable - Number of Shares	402
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.74
Range of Exercise Price 4.78-4.78 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 4.78
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.78
Options Outstanding - Number of Shares	1
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	1 year 1 month 9 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.78
Options Exercisable - Number of Shares	1
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.78
Range of Exercise Price 4.89-4.89 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 4.89
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.89
Options Outstanding - Number of Shares	452
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	1 year 7 months 6 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.89
Options Exercisable - Number of Shares	452
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.89
Range of Exercise Price 4.92-5.69 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 4.92
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 5.69
Options Outstanding - Number of Shares	317
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 2 months 12 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 5.19
Options Exercisable - Number of Shares	317
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 5.19
Range of Exercise Price 5.73-10.01 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Exercise Price, Low End of Range (in dollars per share)	$ 5.73
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 10.01
Options Outstanding - Number of Shares	450
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	2 years 6 months 3 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 6.18
Options Exercisable - Number of Shares	450
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 6.18