Annual report pursuant to Section 13 and 15(d)

Savant Arrangements (Details)

v3.7.0.1
Savant Arrangements (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Feb. 29, 2016
Sep. 30, 2016
Jun. 30, 2016
Sep. 30, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 06, 2015
Legal expenses         $ 802,000    
Number of shares called by warrant         460   125,000
Exercise price of warrant             $ 29.32
Warrant expense included in research and development expenses         $ 361,000,000    
Research and development         10,449,000 $ 16,721,000  
Savant Neglected Diseases, LLC [Member]              
Payments for in process research and development $ 500,000       2,687,500 $ 250,000  
Monthly payment amount 87,500       262,500    
Initial payment amount $ 3,000,000            
Deposit amount         2,500,000    
Legal expenses         $ 100,000    
Number of shares called by warrant 200,000       200,000    
Exercise price of warrant $ 2.25       $ 2.25    
Milestone payments and certain other contingent payments         $ 21,000,000    
Exercise period of warrant 5 years       5 years    
Fair value of warrants         $ 670,000    
Warrant expense included in research and development expenses   $ 87,500 $ 244,000,000        
Research and development       $ 3,250,000      
Savant Neglected Diseases, LLC [Member] | Exercisable Immediately [Member]              
Percentage of warrants exercisable 25.00%