Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - License Agreements (Details)

v3.5.0.2
Commitments and Contingencies - License Agreements (Details) - USD ($)
1 Months Ended 6 Months Ended 12 Months Ended
May 31, 2016
Apr. 30, 2016
Apr. 30, 2013
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Whitehead            
License Agreements            
Service fees paid       $ 600,000 $ 200,000 $ 400,000
Whitehead | Common Stock            
License Agreements            
Shares issued     171,674      
TMRC            
License Agreements            
Up-front license fee   $ 1,000,000        
Payment of remaining up-front license fee $ 500,000