COMMITMENTS AND CONTINGENCIES (Details) (USD $)	4 Months Ended	12 Months Ended			88 Months Ended
	Dec. 31, 2012	Aug. 31, 2012	Aug. 31, 2011	Aug. 31, 2010	Dec. 31, 2012
Contractual Obligations [Line Items]
Rent expense	$ 100,000	$ 200,000	$ 200,000	$ 200,000	$ 500,000
Future lease payments under debt principal [Abstract]
Year ending, 2013	2,688,000				2,688,000
Year ending, 2014	2,688,000				2,688,000
Year ending, 2015	2,688,000				2,688,000
Year ending, 2016	2,688,000				2,688,000
Year ending, 2017	7,486,000				7,486,000
Thereafter	23,359,000				23,359,000
Total debt	41,597,000				41,597,000
Future lease payments under the capital lease [Abstract]
Year ending, 2013	9,000				9,000
Year ending, 2014	9,000				9,000
Year ending, 2015	3,000				3,000
Year ending, 2016	0				0
Year ending, 2017	0				0
Thereafter	0				0
Total future capital lease payments	21,000				21,000
Minimum future lease payments under this operating lease [Abstract]
Fiscal year ending, 2013	38,000				38,000
Fiscal year ending, 2014	0				0
Fiscal year ending, 2015	0				0
Fiscal year ending, 2016	0				0
Fiscal year ending, 2017	0				0
Thereafter	0				0
Total future payments on operating leases	38,000				38,000
Minimum future obligations under research and development and purchase commitments [Abstract]
Fiscal year ending, 2013	8,347,000				8,347,000
Fiscal year ending, 2014	2,061,000				2,061,000
Fiscal year ending, 2015	331,000				331,000
Fiscal year ending, 2016	244,000				244,000
Fiscal year ending, 2017	244,000				244,000
Thereafter	1,425,000				1,425,000
Total research and development and purchase commitments	12,652,000				12,652,000
Total Future Minimum Payments [Abstract]
Total due in fiscal year ending 2013	11,082,000				11,082,000
Total due in fiscal year ending 2014	4,758,000				4,758,000
Total due in fiscal year ending 2015	3,022,000				3,022,000
Total due in fiscal year ending 2016	2,932,000				2,932,000
Total due in fiscal year ending 2017	7,730,000				7,730,000
Thereafter	24,784,000				24,784,000
Total future commitments	54,308,000				54,308,000
Various development activities [Member]
Contractual Obligations [Line Items]
Contingent payments due upon achievement of certain milestones	15,000,000
UCSD [Member] | Milestone One [Member]
Contractual Obligations [Line Items]
Milestone payments based upon initiation of clinical trials	$ 910,000