Quarterly report pursuant to Section 13 or 15(d)

Non-Controlling Interests - Summary Of Non-controlling Interests in Consolidated Entities (Detail)

v3.2.0.727
Non-Controlling Interests - Summary Of Non-controlling Interests in Consolidated Entities (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2014
Noncontrolling Interest [Line Items]          
NCI equity share     $ 49    
Net loss attributed to non-controlling interest $ (243) $ 0 (722) $ 0  
Non-controlling in consolidated entities (673)   (673)   $ 0
Avenue [Member]          
Noncontrolling Interest [Line Items]          
NCI equity share     2    
Net loss attributed to non-controlling interest     (34)    
Non-controlling in consolidated entities (32)   (32)    
Coronado SO Co, Inc [Member]          
Noncontrolling Interest [Line Items]          
NCI equity share     23    
Net loss attributed to non-controlling interest     (230)    
Non-controlling in consolidated entities (207)   (207)    
Mustang Therapeutics, Inc [Member]          
Noncontrolling Interest [Line Items]          
NCI equity share     15    
Net loss attributed to non-controlling interest     (267)    
Non-controlling in consolidated entities (252)   (252)    
Checkpoint Therapeutics, Inc [Member]          
Noncontrolling Interest [Line Items]          
NCI equity share     9    
Net loss attributed to non-controlling interest     (191)    
Non-controlling in consolidated entities $ (182)   $ (182)