XML 66 R56.htm IDEA: XBRL DOCUMENT v3.7.0.1
License Agreements - ALS Biopharma Agreement (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Feb. 29, 2016
shares
Aug. 31, 2015
USD ($)
item
$ / shares
shares
Mar. 31, 2017
USD ($)
Jul. 31, 2016
shares
Mar. 31, 2016
USD ($)
Dec. 31, 2016
USD ($)
License agreements            
Issuance of common shares | shares 429,000     1,090,500    
Research and development | $     $ 10,740   $ 2,370  
ALS Biopharma Agreement | Product related collaborative arrangements            
License agreements            
Number of prodrugs of glutamate modulating agents | item   300        
Milestone payment to be paid | $   $ 3,000        
Milestone payment to be paid for subsequently developed products | $   $ 1,000        
Issuance of common shares | shares   50,000        
Number of claims | item   1        
Research and development | $     $ 0     $ 375
Common stock warrants issued, immediately exercisable | ALS Biopharma Agreement | Product related collaborative arrangements            
License agreements            
Issuance of common shares | shares   275,000        
Exercise price per share | $ / shares   $ 5.60        
Common stock warrants issued, exercisable upon filing drug application | ALS Biopharma Agreement | Product related collaborative arrangements            
License agreements            
Issuance of common shares | shares   325,000        
Exercise price per share | $ / shares   $ 5.60