SUBSEQUENT EVENT (Details) (Subsequent Event, USD $)	1 Months Ended
	Jan. 31, 2013
Aduro BioTech, Inc. | Asset purchase agreement
SUBSEQUENT EVENTS
Upfront cash payment	$ 1,000,000
ANI Pharmaceuticals, Inc
SUBSEQUENT EVENTS
Rabbi trust funding	$ 2,300,000
Entitlement period following proposed merger	6 years