INCOME TAXES (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011
Deferred Tax Assets, Valuation Allowance	$ 390,138,000		$ 390,138,000		$ 393,034,000
Deferred Tax Asset Related to Net Operating Loss	20,375,000		20,375,000		19,121,000
Unrecognized Tax Benefits	1,400,000		1,400,000		1,200,000
Unrecognized Tax Benefits That Would Affect Provision For Income Taxes	901,000		901,000		784,000
Unrecognized Tax Benefits, Interest on Income Taxes Accrued	172,000		172,000		136,000
Unrecognized Tax Benefits, Interest on Income Taxes Expense	20,000	21,000	36,000	38,000
Unrecognized Tax Benefits, Reductions Resulting From Lapse Of Applicable Statute Of Limitations			271,000
Provision For Income Taxes Before Deferred Tax Asset Valuation Allowance Resulting From Lapse of Applicable Statute of Limitations	176,000		176,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards	551,300,000		551,300,000		539,200,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards	718,400,000		718,400,000		702,800,000
Deferred Tax Asset Related to Net Operating Loss	$ 61,700,000		$ 61,700,000		$ 58,300,000