STOCK-BASED COMPENSATION (Detail) - Summary of Stock Options Activity (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Mar. 31, 2012	Jun. 30, 2012	Jun. 30, 2011
Awards outstanding	2,910,373	1,008,544	1,008,544
Awards outstanding (in Dollars per share)	$ 2.77	$ 4.63	$ 4.63
Awards outstanding (in Dollars)	$ 0		$ 0
Awards outstanding	5 years 142 days
Awards vested and expected to vest at June 30, 2012	2,420,712		2,420,712
Awards vested and expected to vest at June 30, 2012 (in Dollars per share)	$ 2.53		$ 2.53
Awards vested and expected to vest at June 30, 2012 (in Dollars)	0		0
Awards vested and expected to vest at June 30, 2012	5 years 94 days
Awards exercisable at June 30, 2012	425,694		425,694
Awards exercisable at June 30, 2012 (in Dollars per share)	$ 5.32		$ 5.32
Awards exercisable at June 30, 2012 (in Dollars)	$ 0		$ 0
Awards exercisable at June 30, 2012	1 year 193 days
Options granted	255,874	1,953,500	2,209,374	540,250
Options granted (in Dollars per share)	$ 1.73	$ 1.83
Options cancelled	(216,505)	(50,005)	(266,510)
Options cancelled (in Dollars per share)	$ 2.22	$ 3.22
Options expired	(132,495)	(1,666)
Options expired (in Dollars per share)	$ 8.76	$ 2.75
Awards outstanding	2,817,247	2,910,373	2,817,247
Awards outstanding (in Dollars per share)	$ 2.44	$ 2.77	$ 2.44