STOCK-BASED COMPENSATION (Details 2) (Stock Options, USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012 Y
Shares
Outstanding at the beginning of the period (in shares)	132,664
Expired (in shares)	(3,626)
Outstanding at the end of the period (in shares)	129,038
Vested or expected to vest at the end of the period (in shares)	127,640
Exercisable at the end of the period (in shares)	129,037
Weighted Average Remaining Contractual Terms
Outstanding at the end of the period (in years)	5.5
Vested or expected to vest at the end of the period (in years)	5.5
Exercisable at the end of the period (in years)	5.5
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 297.41
Expired (in dollars per share)	$ 583.75
Outstanding at the end of the period (in dollars per share)	$ 289.37
Exercisable at the end of the period (in dollars per share)	$ 292.32
Vested or expected to vest at the end of the period (in dollars per share)	$ 289.37
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	$ 667
Vested or expected to vest at the end of the period (in dollars)	646
Exercisable at the end of the period (in dollars)	$ 667
Maximum vesting period (in years)	P3Y
Maximum
Aggregate Intrinsic Value
Expiration period (in years)	P10Y