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INCOME TAXES (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended 101 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Income tax provision (benefit) at statutory rate $ (1,217) $ (3,356) $ (52,198)
State income taxes (165) (454) (5,958)
Purchased in-process research and development 0 0 12,533
Research credits 9 (366) (5,938)
Change in uncertain tax position reserve 0 0 (363)
Expiration of state NOL 450 867 3,481
Other 472 118 2,021
Change in valuation allowance 451 3,033 45,067
Net provision (benefit) $ 0 $ (158) $ (1,355)