NET INCOME (LOSS) PER COMMON SHARE (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Numerator [Abstract]
Net income (loss) - Basic	$ (1,221)	$ (11,881)
Denominator [Abstract]
Weighted average common shares outstanding - Basic	45,749,072	38,895,999
Weighted average common shares outstanding - Diluted	45,749,072	38,895,999
Net income (loss) per common share [Abstract]
Basic	$ (0.03)	$ (0.31)
Diluted	$ (0.03)	$ (0.31)
Anti-dilutive shares excluded from the calculation of diluted net loss per common share (in shares)	1,575,513	2,483,015