XML 17 R37.htm IDEA: XBRL DOCUMENT v2.4.0.8
Collaboration Revenue (Details) (Collaboration agreement, Roche and SMA Foundation, Clinical development milestones, USD $)
In Millions, unless otherwise specified
0 Months Ended
Jan. 22, 2014
Collaboration agreement | Roche and SMA Foundation | Clinical development milestones
 
Collaboration Revenue  
Milestone payment received from Roche $ 7.5