STOCKHOLDERS' EQUITY (Details 4) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Number of Shares
Granted (in shares)	79,679
Canceled/forfeited (in shares)	(2,620,327)
Restricted stock awards
Number of Shares
Non-vested restricted stock at the beginning of the period (in shares)	6,102,385
Granted (in shares)	79,679
Vested (in shares)	(643,775)
Canceled/forfeited (in shares)	(2,620,327)
Non-vested restricted stock at the end of the period (in shares)	2,917,962	6,102,385
Weighted Average Grant Date Fair Value Per Share
Non-vested restricted stock at the beginning of the period (in dollars per share)	$ 4.28
Granted (in dollars per share)	$ 1.46
Vested (in dollars per share)	$ 4.55
Canceled/forfeited (in dollars per share)	$ 4.35
Non-vested restricted stock at the end of the period (in dollars per share)	$ 4.08	$ 4.28
Weighted Average Remaining Contractual Term (In years)
Non-vested restricted stock at the end of the period	10 months 24 days	1 year 8 months 12 days
Other disclosures
Total fair value of restricted stock that vested	$ 936,000	$ 7,402,000	$ 3,408,000
PSAs
Number of Shares
Non-vested restricted stock at the end of the period (in shares)	1,663,000
MSAs
Number of Shares
Non-vested restricted stock at the end of the period (in shares)	714,000