EARNINGS PER SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Basic earnings per share calculation:
Net loss to common stockholders	$ (4,231)	$ (4,458)	$ (8,091)	$ (9,638)
Weighted average number of common shares outstanding	139,912,146	107,153,229	139,853,906	107,130,775
Basic net loss per share (in dollars per share)	$ (0.03)	$ (0.04)	$ (0.06)	$ (0.09)
Diluted earnings per share calculation:
Net loss to common stockholders	$ (4,231)	$ (4,458)	$ (8,091)	$ (9,638)
Weighted average number of common shares outstanding	139,912,146	107,153,229	139,853,906	107,130,775
Weighted average number of common shares outstanding	139,912,146	107,153,229	139,853,906	107,130,775
Diluted net loss per share (in dollars per share)	$ (0.03)	$ (0.04)	$ (0.06)	$ (0.09)
Stock options and unvested restricted stock units granted and outstanding excluded from the computation of diluted earnings per share, due to the anti-dilutive effect (in shares)			9,565,287	2,380,438