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COMMITMENTS AND CONTINGENCIES (Details 2) (USD $)
6 Months Ended 203 Months Ended 0 Months Ended 3 Months Ended 6 Months Ended
Jun. 30, 2013
Jun. 30, 2013
Apr. 03, 2013
Celgene Corporation
patent
Apr. 27, 2010
Celgene Corporation
item
Jun. 30, 2013
Celgene Corporation
Jun. 30, 2013
Celgene Corporation
Legal proceedings            
Number of patents in litigation       4    
Number of patents in litigation sold under the definitive agreement     4      
One time payment received under the definitive agreement     $ 5,500,000      
Sale of patents $ 5,500,000 $ 5,500,000     $ 5,500,000 $ 5,500,000