Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v2.4.1.9
Document and Entity Information
3 Months Ended
Mar. 31, 2015
May 12, 2015
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 31, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q1  
Trading Symbol PIRS  
Entity Registrant Name PIERIS PHARMACEUTICALS, INC.  
Entity Central Index Key 0001583648  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   29,429,522dei_EntityCommonStockSharesOutstanding