Quarterly report pursuant to Section 13 or 15(d)

Corporate Information (Details)

v3.19.3
Corporate Information (Details) - USD ($)
$ in Millions
Sep. 30, 2019
May 31, 2013
Business Acquisition [Line Items]    
Cash, cash equivalents and investments $ 86.2  
Pieris Pharmaceuticals GmbH    
Business Acquisition [Line Items]    
Ownership interest acquired (as a percent)   100.00%