Quarterly report pursuant to Section 13 or 15(d)

Corporate Information - Narrative (Details)

v3.21.2
Corporate Information - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
May 31, 2013
Business Acquisition [Line Items]            
Cash, cash equivalents and investments $ 119,100   $ 119,100      
Net loss (15,498) $ (4,950) (19,670) $ (8,547)    
Accumulated deficit $ (231,076)   $ (231,076)   $ (211,406)  
Pieris Pharmaceuticals GmbH            
Business Acquisition [Line Items]            
Ownership interest acquired (as a percent)           100.00%