STOCKHOLDERS' EQUITY 7 (Details) (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Exercise of stock options (in shares)	0	0
Weighted average time for unearned expense to be recognized for options	6 months
Stock Options [Member]
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	3,635
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 8 months 1 day
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.50
Options Outstanding - Aggregate Intrinsic Value	$ 12,109,000
Options Exercisable - Number of Shares	3,573	6,200	6,400
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	3 years 7 months 27 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.49
Options Exercisable - Aggregate Intrinsic Value	11,930,000
Exercise of stock options (in shares)	2,964	1,239	4,285
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	9,400,000	4,800,000	42,000,000
Aggregate exercise price	12,200,000	4,600,000	19,300,000
Unearned stock-based compensation expense related to unvested awards	300,000
Stock Options [Member] | Range of Exercise Price 2.13-3.18
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)	$ 3.18
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	21
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	1 year 6 months 18 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 2.35
Options Outstanding - Aggregate Intrinsic Value	112,000
Options Exercisable - Number of Shares	21
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	1 year 6 months 18 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 2.35
Options Exercisable - Aggregate Intrinsic Value	112,000
Stock Options [Member] | Range of Exercise Price 3.24-3.24
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
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	413
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	4 years 3 months 15 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 3.24
Options Outstanding - Aggregate Intrinsic Value	1,896,000
Options Exercisable - Number of Shares	413
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	4 years 3 months 14 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 3.24
Options Exercisable - Aggregate Intrinsic Value	1,896,000
Stock Options [Member] | Range of Exercise Price 3.26-3.29
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)	$ 3.29
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	371
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	1 year 9 months 8 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 3.28
Options Outstanding - Aggregate Intrinsic Value	1,686,000
Options Exercisable - Number of Shares	371
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	1 year 9 months 7 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 3.28
Options Exercisable - Aggregate Intrinsic Value	1,686,000
Stock Options [Member] | Range of Exercise Price 3.32-4.20
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)	$ 3.32
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.2
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	381
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	4 years 8 months 2 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 3.95
Options Outstanding - Aggregate Intrinsic Value	1,480,000
Options Exercisable - Number of Shares	381
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	4 years 8 months 1 day
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 3.95
Options Exercisable - Aggregate Intrinsic Value	1,480,000
Stock Options [Member] | Range of Exercise Price 4.23-4.37
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)	$ 4.23
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.37
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	380
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 3 months 25 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.26
Options Outstanding - Aggregate Intrinsic Value	1,359,000
Options Exercisable - Number of Shares	340
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	3 years 4 months 9 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.26
Options Exercisable - Aggregate Intrinsic Value	1,215,000
Stock Options [Member] | Range of Exercise Price 4.43-4.70
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)	$ 4.43
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 4.7
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	320
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	5 years 5 months 22 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.45
Options Outstanding - Aggregate Intrinsic Value	1,083,000
Options Exercisable - Number of Shares	320
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	5 years 5 months 23 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.45
Options Exercisable - Aggregate Intrinsic Value	1,083,000
Stock Options [Member] | Range of Exercise Price 4.74-4.74
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
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	421
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 7 months 10 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.74
Options Outstanding - Aggregate Intrinsic Value	1,301,000
Options Exercisable - Number of Shares	421
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	3 years 7 months 13 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.74
Options Exercisable - Aggregate Intrinsic Value	1,301,000
Stock Options [Member] | Range of Exercise Price 4.77-4.78
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)	$ 4.77
Options Outstanding, Exercise Price, High End of Range (in dollars per share)	$ 7.78
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	59
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	6 years 25 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.77
Options Outstanding - Aggregate Intrinsic Value	182,000
Options Exercisable - Number of Shares	53
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	6 years 0 months 21 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.77
Options Exercisable - Aggregate Intrinsic Value	162,000
Stock Options [Member] | Range of Exercise Price 4.89-4.89
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
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	453
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	2 years 7 months 5 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 4.89
Options Outstanding - Aggregate Intrinsic Value	1,330,000
Options Exercisable - Number of Shares	452
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	2 years 7 months 6 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 4.89
Options Exercisable - Aggregate Intrinsic Value	1,330,000
Stock Options [Member] | Range of Exercise Price 4.92-10.01
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)	$ 10.01
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Options Outstanding - Number of Shares	816
Options Outstanding - Weighted Average Remaining Contractual Terms (in years)	3 years 8 months 10 days
Options Outstanding - Weighted-Average Exercise Price (in dollars per share)	$ 5.77
Options Outstanding - Aggregate Intrinsic Value	1,680,000
Options Exercisable - Number of Shares	801
Options Exercisable - Weighted Average Remaining Contractual Term (in years)	3 years 7 months 20 days
Options Exercisable - Weighted Average Exercise Price (in dollars per share)	$ 5.75
Options Exercisable - Aggregate Intrinsic Value	$ 1,665,000
Ozmo Inc. | Stock Options [Member]
Share-based Compensation, Shares Authorized Under Stock Option Plans By Exercise Price Range [Abstract]
Stock units issued (in shares)	100
Weighted-average fair value of the rights to purchase shares (in dollars per share)	$ 0.81