Quarterly report pursuant to Section 13 or 15(d)

Sponsored Research and Clinical Trial Agreements - summary of Mustang’s expense related to its sponsored research agreements (Detail)

v3.8.0.1
Sponsored Research and Clinical Trial Agreements - summary of Mustang’s expense related to its sponsored research agreements (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Research And Development In Process $ 97 $ 1,294
Mustang Therapeutics Inc [Member]    
Research And Development In Process 1,390 529
COH CAR T [Member] | Mustang Therapeutics Inc [Member]    
Research And Development In Process 500 500
COH - CD123 [Member] | Mustang Therapeutics Inc [Member]    
Research And Development In Process 150 20
COH - IL13Ra2 [Member] | Mustang Therapeutics Inc [Member]    
Research And Development In Process 360 9
City of Hope - Manufacturing [Member] | Mustang Therapeutics Inc [Member]    
Research And Development In Process 114 0
Fred Hutch - CD20 [Member] | Mustang Therapeutics Inc [Member]    
Research And Development In Process $ 266