Quarterly report pursuant to Section 13 or 15(d)

License and Transfer Agreement - Narrative (Details)

v3.19.2
License and Transfer Agreement - Narrative (Details)
$ in Millions
12 Months Ended
Dec. 31, 2018
USD ($)
Technical University of Munich  
License Agreement [Line Items]  
Estimate of potential financial impact (up to) $ 2.3