Annual report pursuant to Section 13 and 15(d)

Acquisition - Additional Information (Detail)

v3.3.1.900
Acquisition - Additional Information (Detail)
Dec. 17, 2014
shares
Dec. 05, 2014
shares
Dec. 31, 2015
$ / shares
shares
Dec. 31, 2014
$ / shares
shares
Dec. 16, 2014
$ / shares
shares
Business Acquisition [Line Items]          
Stock split ratio   2.272727      
Common stock, shares outstanding   13,863,647 39,833,023 29,279,522  
Common stock, shares authorized     300,000,000 300,000,000  
Common stock, par value | $ / shares     $ 0.001 $ 0.001  
Preferred stock, shares authorized     10,000,000   10,000,000
Preferred stock, par value | $ / shares     $ 0.001   $ 0.001
Pre-acquisition shares transferred and canceled 11,363,635        
Scenario, Previously Reported          
Business Acquisition [Line Items]          
Common stock, shares outstanding   6,100,000      
Pieris Pharmaceuticals GmbH [Member]          
Business Acquisition [Line Items]          
Aggregate shares issued upon acquisition 20,000,000        
Minimum [Member]          
Business Acquisition [Line Items]          
Common stock, shares authorized         75,000,000
Common stock, par value | $ / shares         $ 0.001
Maximum [Member]          
Business Acquisition [Line Items]          
Common stock, shares authorized         300,000,000
Common stock, par value | $ / shares         $ 0.001